TKeeping gear from shifting on the truck requires a tight grip on the load. The Trucker's Hitch gives you the leverage needed to pull tighter than you could with any other knot.
TThe Bowline knot is one of the most useful used in the entertainment industry. It makes a loop of any size at one end of a rope. It is easy to tie and untie. This is the knot used by the riggers on the ground to tie the cable and shackles to the rope the up-riggers drop from above in arenas.