COCKSLING-2 is our one of a kind. best-selling FLEXtpr sling. Its futuristic design is lightweight and rubbery but grips and pushes your junk up and out for a bigger. harder bulge. The unique shape combines the erection enhancing elements of a cockring and tugging sensation of a ballstretcher. Super-stretchy and tough. but firm and feels great on. Compatible with most lubes. oil-based not recommended. wash with warm soapy water and air dry. store separately.