Line the Hand-Strap up so the end with the hole goes towards the bezel of the light
Slide the mount into the slot on the bottom of the light and push it firmly forward towards the bezel so the hole lines up above the silver threads
Flip the light over and make sure the hole is over the silver threads
Insert the screw into the threads through the bottom of the hand-strap
Using the allen wrench tighten the screw down to snug
Mount the hand-strap onto your hand and Go Dive!!