Align the hole of a grounding cable with the hole for a threaded fastener, or slide the grounding cable over a grounding stud.
Slide a star washer onto a fastener or an installed grounding stud. Star washers utilize a standard irregular pattern on both sides, and do not have a front or back side.
Apply thread locking solution to the threads of the fastener or stud.
Thread a fastener into the aligned threaded hole or onto the threaded grounding stud. Turn the fastener clockwise -- by hand -- to lock the cable in place.
Hold the grounding cable in one hand while you tighten the fastener with an adjustable wrench to avoid twisting and possibly kinking the grounding cable.