The silver Pussy Clamp from A One allows you to set the labia majora so they can become a major labor-of-love. For shame play. BDSM. and other fun that keeps the Love Canal open in the perfect way. use the clamp on the crotch with the easy-to-adjust screw. Keep the lips open by adjusting the screw. The clamp is 3 inches (77 millimeters) high and 1.1inches (28 millimeters) wide.