TRAINER PLUG is a silicone slider plug designed to fit onto our NEOPRENE BUTTPLUG HARNESS. It’s made from our signature smooth Pure Platinum Silicone so it’s soft enough for insertion but firm enough to keep you feeling stuffed full and stretched. TRAINER PLUG has a bulbouse head that gradually tapers down to the strap-base. The squishy silicone material and slider plug design keep TRAINER PLUG locked into place for extended hole-play sessions.

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Open up that tight hole with the TRAINER PLUG from OXBALLS. It’s made from Pure Platinum Silicone and designed to slide onto the butt-strap of most any body harness or thong-back neoprene or leather jocks.

They adjust to the wearer’s hole and are much more comfortable than the usual fixed position harness plugs. They’re super easy to clean, just slide off and wash…you can even throw them in the dishwasher.

There are no snaps, rivets or rings that get cruddy and no leather or neoprene in direct contact with your hole.

TRAINER PLUG is perfect for long sessions of forced hole control, butt-bondage, anal chastity and since they come in 4 sizes, gradual hole stretching.

These are designed so the ball-part of the plugs rests just far enough inside your hole and stays firmly in place with your hole stretched around the shaft.

Shorter plugs like this tend to stay in place better for longer periods because they do not trigger your systems desire to push them out…you get a full feeling and stretch but less chance of cramping or discomfort.