Cock rings. Pleasure rings. C-rings. Penis rings. Whatever you call these devices, they’re the unsung heroes of many a sexual escapade. A cock ring is exactly what it sounds like: A ring-shaped sex ...

Cock rings are rings that go around the penis and/or scrotum. They slow blood flow out of an erect penis and can help make erections harder and longer-lasting. Some also have knobs or little vibrators ...

You probably use an O-ring of some kind at least every day, but do you know what an O-ring is or what the top O-ring uses are? Unless you’re a plumber or in a related field, we’re betting you have a ...

O-rings and guide rings are both used on hydraulic cylinders, but they handle different tasks. O-rings are often the first choice for engineers because of their flexibility and performance in static ...