Fifty Shades Bound to You - Ball GagThe faux leather strap sits smooth against skin, and the antique gold hardware gives it a finish that feels considered rather than purely functional. This is a ball gag that looks as deliberate as it feels. The silicone ball is 14 mm in diameter, firm enough to do its job without being uncomfortable over time. It holds well in the mouth and stays in position without shifting. The adjustable buckle strap runs to 73 cm and fits a wide range of head