Thanks to the cross-sections relatively light and hygienic.
For a penis with a thickness of max 3,5cm and a length of max 22cm in an aroused state. No photo penis 19×3,5cm in length is still a little margin.
The smaller circle has an inner diameter of 35mm
according to the diameter of the inside of the larger circle
eS - 4cm
M - 4,5cm
L - 5cm
material: zinc alloy, chrome
manufacturer: Funny Steel
Practice unlocking the lock. Lubricate penis and testicles. Must be put on at rest. Push the testicles through the bondage ring first and then the penis. Put on the cage, being careful not to pinch the foreskin when putting on and especially when tightening the cage. After 60 minutes, release to restore free blood flow. Release without delay in case of pain or loss of sensation.
Exceptionally, you can stay in it all day, but from a health point of view such use is not advisable in the long term - it slightly limits the blood vessels and also presses the penis against the scrotum, which increases the temperature of the scrotum.