The Keeper Turtle Tarp Clip features an adjustable thumbscrew clamp for tarps and coverings. Feed material/fabric between the teeth and tighten the thumbscrew to secure the tarp. The tarp clip is also compatible with poly sheetings, nettings, windscreens, solar screens, boat covers, RV awnings and tents. Use the Keeper Turtle Tarp Clip anywhere for an instant reliable anchor point or as an alternate for grommets.