Devol Vibrating Cock Ring Soft silicone Fun devil shape 3x LR44 batteries 3.2cm diameter This mischievously shaped devil-themed cock ring is devilshly delightful, stretching just far enough to fit snugly around most erections and intensify the pleasure of both partners. It only takes 3x LR44 batteries and you'll both be enjoying teasing vibrations, both around the base of the penis and transmitted through the 'horns' on top of the toy as they brush against the clitoris.