Exclusive Design: The unique tooth design makes the teeth more stable, has super strong biting power, and is not easy to fall off. On the other side, there is a hole for attaching a metal button or rope. For installation, it can be opened about 10 mm on a solid tarp. WIDELY USED: The camping clips are perfect for outdoor camping tents, awnings, caravans, tarps, boat covers, pool covers, shelters, and other fabric covers, etc., ideal for outdoor adventurers, campers, and travelers. Easy Installation: Hold the edge of the tarp, press the claws to secure, and lightly press the locking ring forward to secure (it can be firmly secured without any special effort when securing). Simple operation, adjustable elasticity. The tarp clip is easy to install or remove. Simply tighten or loosen the knob to adjust for thick or thin tarps.