Anyone know of cheap way to make or buy ball ringer or flex rings

I’d like to know if anyone has cheaper idea for ball ringer or flex rings, pref flex rings. i dont like to pay too much for bits of rubber that theyre asking in pumptoys. any help appreciated. ps i live in uk and materials are harder to come by over here as i found out with zinc for ball zinger

Hey basil,

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you should be able to find O-rings at any hardware store or auto parts store. If you can’t just buy the rubber cock rings from your local adult book store or on-line adult toy store.