This heavy, slick hollow metal plug features a removable inner portion, turning a classic ass toy into a see-through tunnel. Just twist the loop at the base and remove to reveal the inner secrets of your partner. The smooth stainless steel glides into place easily and can be heated or chilled, allowing you to tease your lover with temperature play. Non-porous and allergy safe, stainless steel is easily disinfected and compatible with every type of lube.