Adjustable Tooth Shape Spiral Buckle: With unique tooth design and thumb screw to tighten the spade directly to provide strong gripping power, which makes the bite much more stable. It is safer to prevent the tarp from falling.Large load-bearing capacity and reusableMade of premium nylon material, can bear large pulling force and not easily loosen after buckle on tents, small damage to the fabric. It is durable and can be used over and over.Windproof It provides an instant anchor point to attach any standard bungee cord, hooks or ropes so it can hold the tent down stably when the tent is blown by the wind so that you can enjoy your camping without worrying about the weather.Wide Application: Perfect for tightening outdoor camping tent, awning, tent caravan, a tarp, a cane, an awning, a boat cover. Ideal accessory for hunting, fishing, pool covers, outdoor camping, travelling, sailing, hiking or picnics and more.Easy to installOur camping clamp is easy to use, you just need to grab the edge of the tarp, push and screw the jaws to grip it, finally use a bungee cord to secure just tighten or loosen the screw knobs.