Adjustable Nipple Clamps SPF01. Adjustable Broad Tip Clamps with Jewel Chain adjustable nipple clamps offer a range of pressures, for a variety of sensations. These clamps feature a fine silky jewel chain. Get ready for evenly distributed pleasure. The width of this clamp allows for a delicious distribution of sensation over the entire nipple. Relax and explore the breadth and depth of nipple sensation. Adjustable nipple clamps. Non-piercing nipple clamps with broad ends tipped in black rubber for comfort. Spartacus A Passion for Quality Catalog.