When you have the opportunity to make a cock ring from Walnut Crotch (insert Beavis, “he said crotch”), you have to.  I made this one for fun. It’s not really practical. The height/thickness of the band is almost 0.6 inches at it’s peak and it has a bandwidth of almost 0.75 inches.

Dark Walnut Crotch with Coral and Turquoise Inlay