Master Series Captive Heart Padlock Nipple Clamps — Test & Review

Rachel Worthington
by Rachel WorthingtonUpdated:

Overall RatingBedbible Rating

Overall Rating


Bedbible Rating:


Reviewed by: 

Rachel Worthington

User Ratings:


Based on 115 user reviews


Rating: Master Series Captive Heart Padlock Nipple Clamps was rated 95 out of 100, which means it is designed absolutely incredible.

What it is: The design rating takes into account the shape of the toy in both a visual and ergonomic perspective. We ask our reviewers to rate the overall feeling of the Master Series Captive Heart Padlock Nipple Clamps.

Ease of UseEase of Use

Rating: Master Series Captive Heart Padlock Nipple Clamps was rated 90 out of 100, which means it is extremely easy to use and worked very well.

What it is: The Ease of Use rating is a score given on how easy the toy is to operate and use. Aspects that are considered is the suitability for different kinds of people, intuitiveness, and potential learning curve of using the product for pleasure (or pain).


Rating: Master Series Captive Heart Padlock Nipple Clamps was rated 85 out of 100, which means it is one of the absolute top quality toys.

What it is: The Quality rating is a score that takes into account the quality of the materials used in the toy, how well it was manufactured, the safety, durability and overall quality feel of the toy.


Price ratingPrice ratingPrice ratingPrice ratingPrice rating

Rating: Master Series Captive Heart Padlock Nipple Clamps was rated 2 out of 5, which means it is moderately priced, neither expensive nor cheap.

What it is: The Price rating is indicated by 1-5 price icons. 1 indicate a very cheap product, while 5 indicate a very expensive product. The rating is a relative score compared to other similar toys.


Beginner: Suited for those new to the world of sex toys. These products are designed with simplicity and ease of use in mind, providing a gentle introduction to enhance your experiences. Whether you're exploring for the first time or looking for something straightforward, these items are a perfect starting point.


Intermediate: Tailored for individuals who have some familiarity with sex toys and are looking to explore further. These products offer a balance between comfort and new sensations, allowing you to expand your horizons and discover new pleasures. Ideal for those ready to take the next step in their journey.


Advanced: Designed for the experienced and adventurous. These products cater to those who are well-acquainted with sex toys and are seeking more intense or diverse sensations. If you're looking to push boundaries and explore the depths of pleasure, these items are crafted just for you.

My Verdict

I just adore the look of these Captive Heart Padlock nipple clamps. They're easy to adjust, and provide just as much pinch as you need. Sure, some parts feel a tad cheap, but the overall quality is surprisingly high for the price. If you're on the hunt for a pair of clamps that look as good as they feel, then I highly recommend checking these out.

Buy, if you...

  1. Are on the hunt for some cute nipple accessories!
  2. Want your first pair of nipple clamps
  3. Are looking for a pair of versatile, adjustable clamps

Don't buy, if you...

  1. Would prefer clamps with more weight to them
  2. Need clamps that won't ever fall off
  3. Are looking for clamps with silicone tips

About The Master Series Captive Heart Padlock Nipple Clamps

These nipple clamps have a standard crocodile clamp design, with vinyl-tipped arms and a screw to adjust the tightness. To open the clamps, simply squeeze the handles and release when their on your nipple as you want them. On the ends, you'll find a short chain with a small heart padlock charm hanging from it. This charm doesn't add much in the way of weight, but I think it looks so cute!


  • So cute!
  • Vinyl tips for comfort
  • Easy to adjust
  • Lightweight and beginner-friendly


  • Tips have little grip, so clamps can fall off
  • Chain is a little chunky
  • Not the highest quality

Personal Experience

My Personal Experiences with Master Series Captive Heart Padlock Nipple Clamps

I’m on a mission to find nipple clamps that feel great, stay put and, importantly, look cute! Nipple clamps serve a purpose, of course, but for me, it’s just as much about the look while wearing them. I recently purchased a vintage 60’s negligee in a gorgeous red color, and as soon as I laid eyes on these heart padlock clamps, I knew they were the perfect match!

Trial and Error

I’ll be honest, the first time I tried out the Captive Heart Padlock clamps, I was so excited to show them to my partner that I didn’t take the time to adjust them properly. So, they worked great for the first 30 seconds or so, and then they immediately fell off as I started moving. I did try to put them back on, but I found that it was pretty difficult to do so when your nips have any kind of moisture on them. The vinyl on the tips is quite slippery when wet, so you lose a lot of grip. However, the next time I tried them, I was alone and a bit more patient. I adjusted them slightly tighter and put them on while my nips were dry, which was much more successful.

A Pleasant Pinch

Since you can adjust the clamps to be up to half an inch wide, there’s a lot of room to choose the exact amount of pinch you’re want. I’m someone who enjoys quite intense nipple stimulation, so I have them quite tight. This probably helps them stay on a bit more, too. However, I do wish that the charms had more weight to them — they look nice, but they are super lightweight. This may be friendlier for beginners, but I would have preferred a little extra tug. You could however, experiment with tugging on the charms (or have a partner do it!) for that bit of extra intensity.


Master Series Captive Heart Padlock Nipple Clamps Design

In a world of crappy-looking nipple clamps, I really love these ones. They're not perfect (that chain is a little chunky for my taste, and the vinyl caps aren't the best), but they're miles better than many others on the market. The heart charms are adorable and satisfyingly tinkly, and the red color adds a nice pop to your favorite bedroom outfit.

Ease of Use

Master Series Captive Heart Padlock Nipple Clamps Ease of Use

Crocodile-style clamps are very easy to adjust by turning the screw on the side, and can also be adjusted (carefully) once they're on your nipples. However, as I mentioned above, you may experience them falling off if you like to engage in any kind of nipple sucking or add any lube to your nips. How well they stay on will also depend on the size and shape of your nipples!


Master Series Captive Heart Padlock Nipple Clamps Quality

Despite being a very similar design to other, awful-quality nipple clamps that I've tried, these Master Series clamps surprised me with their quality! The screws work well and stay put when you adjust them, and the rubber coating on the tips is also well affixed to the metal. The chains and the heart charms do feel a little cheap, but aren't poor quality by any means.


Master Series Captive Heart Padlock Nipple Clamps Price

The Master Series Heart Padlock clamps are a little more expensive than other crocodile-style clamps on the market, but at around $20, they're still very affordable in my book. They're simple and cute, and an actual good investment, rather than slightly cheaper, much worse clamps. Just keep in mind that, for your money, you only receive the clamps and nothing else.


Master Series Captive Heart Padlock Nipple Clamps Performance

Once I got the Heart Padlock nipple clamps adjusted correctly, the pinch felt extremely pleasant. They added so much extra stimulation exactly where I wanted it, and left my hands free to do other things. I had hoped for a little extra weight from the charms, but the overall look made up for my slight disappointment on that front.


Master Series Captive Heart Padlock Nipple Clamps Packaging

The packaging feels a little cheap, but it's still quite tasteful. On the front, you can see the clamps on a mirror card backing, with the name of the product and a random woman's face. On the back is a photo of the clamps and a small amount of information about them. Due to the open front, the packaging isn't that suitable for storing the clamps long-term, and I would recommend finding a safe place or a small bag to store them in.

Materials and care

Master Series Captive Heart Padlock Nipple Clamps Materials and care

The Master Series Captive Heart clamps are made from metal, though they don't state whether it's nickel-free, with a vinyl covering. Vinyl is not classed as a body-safe material as it's porous, but since you shouldn't insert these clamps inside your body, this doesn't matter too much. If you need to clean them, just rinse them under water with some soap and then dry them thoroughly.

Specifications and features

Length(With charm) 4 inches
WidthOpens to 0.5 inches
MaterialsMetal, Vinyl 
Storage Bag IncludedNo 
Colors AvailableRed, Black 

Comparing Master Series Captive Heart Padlock Nipple Clamps with alternatives

Compare Master Series Captive Heart Padlock Nipple ClampsMaster Series Captive Heart Padlock Nipple Clamps
Overall score4.5 / 5.0 3.1 / 5.0 4.2 / 5.0 4.3 / 5.0 4.3 / 5.0 2.8 / 5.0
Bedbible rating4.7 / 5.0 2.0 / 5.0 4.0 / 5.0 4.5 / 5.0 4.7 / 5.0 1.3 / 5.0
User rating4.3 / 5.0
from 115 users
4.3 / 5.0
from 100 users
4.4 / 5.0
from 179 users
4.2 / 5.0
from 297 users
3.8 / 5.0
from 18 users
4.3 / 5.0
from 61 users
PriceAffordable Cheap Affordable Cheap Cheap Cheap
Design95 / 100 45 / 100 75 / 100 80 / 100 95 / 100 80 / 100
Ease of use90 / 100 50 / 100 100 / 100 85 / 100 98 / 100 85 / 100
Quality85 / 100 45 / 100 75 / 100 80 / 100 100 / 100 10 / 100
Length(With charm) 4 inches20 inches inchesCollar: 16-18.5 inches, Chains: 13 inches3.5" inches2.5 inches18 inches
WidthOpens to 0.5 inches-Clamps Opens to 0.75 inchesAdjustable inches-Up to 1 inches
AdjustableYes No Yes -Yes Yes
MaterialsMetal, Vinyl Metal Nylon Webbing, Metal, Rubber Metal, Silicone Nickel-free Metal, Silicone Metal, Rubber
Storage Bag IncludedNo No No Yes -No
Colors AvailableRed, Black -Black --Silver/Black
Fastening-Squeeze clamp Velcro, Crocodile Clamps -Sliding Tweezer Design -
Weight---null lbs--
Waterproof---Yes Yes -
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Rachel Worthington
Rachel Worthington

Product Testing Program Coordinator & Senior Writer | I’m a sex expert and writer with a background in psychology and cognitive semiotics, and I’ve a got a passion for sex positivity, diversity and good vibes! As well as managing our growing team of sex toy testers, I’m here to help our readers find honest and helpful information about sex and intimacy, while having a whole lot of fun in the process! ❤️

Age: 27
Gender: Female
Sexual orientation: Bisexual
Sex toy experience: Experienced
All-time favorite sex toy: We-Vibe Tango X
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