Adjustable Broad Tip Clamps with Loop Link Chain. Adjustable deluxe wide alligator nipple clamps are great for large nipples that need a wider than usual tip. The wide, rubber-tipped tips distribute the pressure from the clamp, making them good for somewhat gentler play. But don't be fooled the thumbscrews can adjust the clamps to a very strong grip. These nipple clamps feature a fine silky, jewel chain. Adjustable nipple clamps. Non-piercing nipple clamps with broad ends tipped in black rubber for comfort. Spartacus A Passion for Quality.