The Bound to Please Metal Cock and Ball Ring in 40mm is a rigid metal ring worn at the base of the penis, under the testicles, to enhance and prolong erections while helping to delay ejaculation. Its weighty pull increases arousal and engorges the penis, and the smooth finish makes it comfortable for extended wear. This is the smallest of three available sizes, ideal for anyone new to cock rings or who prefers a snugger fit.
Why people choose this cock and ball ring
- Rigid metal ring enhances and prolongs erections, and helps delay ejaculation
- Weighty pull increases arousal and engorges the penis
- Smooth, polished finish for comfortable, elongated wear
- Worn at the base of the penis, under the testicles
- Suitable for beginner cock ring users
- Waterproof, easy to clean, and suitable for temperature play, cool it in the fridge or warm it in boiled water
Material and safety
Made from smooth, body-safe metal. Use a water based lubricant to help it slide on and off comfortably. Do not use if you have circulation problems, and stop immediately if you feel numbness, pain or discolouration.
Size and fit
This ring has a fixed inner diameter of 40mm/1.57 inches, the smallest option in the Bound to Please metal cock and ball ring range, which also comes in 45mm and 50mm. To find your size, use a tape measure or a piece of string to measure around the base of your erect penis, then divide that measurement by roughly 3.14 to get your diameter. Since metal rings don’t stretch, if you’re between sizes it’s safer to size up, a ring that’s too tight can restrict blood flow and needs to come off straight away. 40mm suits a slimmer fit, while 45mm and 50mm give more room for a fuller or more relaxed feel.
Getting started
- Apply a generous amount of water based lubricant to the ring and to yourself.
- While flaccid, slide the balls through the ring first, then ease the penis through so the ring sits at the base.
- Let the erection build naturally once the ring is in place.
- Wear for short periods to begin with, no more than 20 to 30 minutes, and remove immediately if you feel numbness, pain or colour change.
- To remove, use lubricant again and gently ease the ring off.
Storage
Wash with warm water and mild soap or a toy cleaner, dry fully, then store in a cool, dry place away from direct sunlight.
Delivery
Sent in plain, unbranded packaging with fast, discreet UK delivery.
FAQ
How do I know if 40mm is the right size for me?
Measure around the base of your erect penis with a tape measure or string, then divide by roughly 3.14 to estimate your diameter. If you’re between sizes, choose the larger ring for comfort and safety.
How long can I wear a cock ring for?
Keep sessions short, around 20 to 30 minutes, and remove straight away if you notice numbness, pain or the skin turning pale, blue or cold.
Is this suitable for beginners?
Yes, this size is designed with beginners in mind, though if in doubt about sizing, a larger ring is the safer starting point.
Can I use it in the bath or shower?
Yes, it’s waterproof and easy to clean in water.


















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