The Boner Expansion Pack is a set of 2 transparent cock rings that can also be used as ballstretchers.

The Sport Fucker brand has created here a concept of penis ring which has a double use and which allows:

- to maintain his erection,

- to feel pleasure thanks to the tightening at the base of the sex or at the base of the testicles

Dimensions of the cockrings: 25mm of interior diameter and 45mm of width

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