If you are looking for a bit more stretch on your balls and the two rings you get with the Sport Fucker Boner Kit are not enough, then buy the Sport Fucker Boner Expansion Kit to get 2 more of the separate square ball rings. Or just use them as cock rings or stack them as ball stretchers.
The Sport Fucker Boner Expansion Kit contains two of the separate ball rings that you get one of with the Sport Fucker Boner Kit. The square shaped ball rings are made from a really thick TPR that has really solid construction. They will stretch enough to get it on comfortably, but is solid enough to give a nice firm grip. The 2 smaller square ball rings external dimensions are 1.3 by 1.3 inches or 33 by 33mm. The internal dimensions of the ball ring are 0.9 by 0.9 inches or 22 by 22mm.
The best way to put these ball rings on is to use both hands stretch open the separate smaller ball ring and pull over your balls. If wear them as a cock ring then just fully stretch them over your manhood.
Fitting Advice
The use of an additional ring or rings lets you get the amount of stretch that feel best. If you add these additional ring on with the Boner Kit is going to give you some mega stretch. But you can do what right for you add on just one additional ring if that feels best. If using as a cock ring then these smaller square rings are going to give any man a nice firm fit.
