Graceful adornment, easy adjustment. Nipple Clamps are adjustable with the metal slider. To increase the tension pull the clip down. Adjustable Clamp is for nipple stimulation. The nipple clamp is adjusted by a squeeze tweezer style clamp. Nipple Clamps come with the ends tipped for added comfort.Available at FunLove.com, the largest adult toy selection at the lowest prices, with discreet shipping and billing.