3/8th Round Grounding snap, that attaches to the grounding fabric and connected by a grounding cable (not included, but sold separately).
	
Includes: (1) metal snap, (1) screw, (1) bottom screw cap, (2) 5/8in metal washers, (1) 1/2in metal washer. 
	
Make a small hole in the fabric where wish to attach a snap; insert screw into metal snap and (1) 5/8in washer. Put the combo through the hole you've made. 
	
Turn the fabric around where you see exposed screw and add second 5/8in washer, then 1/2in washer and round screw cap.
	
Hold the bottom of the snap while tightening the top screw with Philips screw driver. DONT OVER TIGHTEN!