Once this deviously ingenious tunnel plug has worked its way inside, going deep has never felt so good. Its ergonomic yet flexible shape keeps things comfortably open and accessible for as long as you like. Ribbed for your pleasure along its tunnel walls, this plug was designed with vigorous play in mind. No need to come up for air with this plug in place - it avoids chafing and discomfort so you can stay in the zone as long as inspiration strikes. The only limits here are the ones you set. Unrestricted access granted to wherever your imagination wants to wander.