Strapless Ergo-Fit Technology With a Twist! Featuring Strap U's customizable Ergo-Fit Tech, this Swirly strapless strap-on helps you find the perfect fit for a comfortable, fulfilling strap-on session. Insert the vaginal bulb and inflate to your preferred fill to help support this twisted shaft - thrust without a harness getting in your way and thrust in a more natural way! The powerful dual motors buzz the shaft, clitoral pad, and vaginal bulb for blissful stimulation for both parties! The easy-to-use controls on the remote and the shaft let you change functions and inflation level on the fly, so you can trust and peg without interruption.