帝国

This product is a commodity between SM accessories and men between the root of worship， the use of the metal ring in turn put yet erect penis， then hand the penis erection， which can effectively prevent the backflow of blood so that erection longer.

Effectively prevent backflow of blood， so that prolonged erection!!

This product is suitable for penile erection is longer than 9 cm of users. This product is made of stainless steel and leather production， by three penis rings， and leather straps connected to a large ring diameter 4.5CM， the small ring diameter 4CM. When using the four rings in turn set in the penis erect penis， effectively prolong erection time， increase male sexy.