More is possible. Bolo is a collection of men's erection enhancement devices. Extremely easy to put on and take off just like a lasso. Adjustable to all sizes. Open fully by adjusting the slider down. There are multiple ways to position. Tighten lasso snugly up. The cord is made from high quality silicone and the bead is made from stainless steel. Bolo C-Ring Lasso Black Gems Bead Silicone Black adjustable cock ring for prolonging male climax. Safe and pure for body and pleasure. Made using latex free and phthalate free silicone cock ring. faux gems. Adjustable by moving bead up and down. One size fits most.