Instant pain or pleasure is what you will give or take with the Adjustable Nose Shackle Stainless Steel Nose Clamp. With just a simple twist will enforce the amount of pressure you wish to have. It can deliver a brutal pinch of punishment or a whisper of tantalizing stimulation to an extremely sensitive area. Made for the nose but is also great for the genitals, ears and yes nipples! Constructed out of stainless steel for a pleasing design that is meant to last. Opening measures 0 to 0.5 inches wide.