It does not injure the passive or active partner in case of accidental careless movement. Completely hygienic unlike leather. The rounded safety catch does not scratch the tape and can be locked with additional options lock. Recommended
shortcomings: It allows the ring to be turned over and tongue clenched… But there is no fully functional alternative for safety and hygiene.
medical silicone, 60g, Idea Leather, 49 mm (inner circle 37mm, circle thickness 6mm), rounded buckle