- From bashful beginners to erotic experts, the Ultra-Soft™ Crazy 8 will wrap you tight in pleasure with the ultra plush, stretchy dual enhancer ring. The stretchy, comfortable enhancer was created to increase stamina, improve sensitivity and deliver superior erection support. Look forward to an explosive pleasure experience while the unique built in scrotum support holds tight. The premium Ultra-Soft™ silicone is body safe, unscented and phthalate free to keep you most sensitive spots, happy and healthy.