Rope, pulley, and 3/4 inch plywood or a couole of 2×10s.... Tie a rope with the pulley on it between the hooks in the back of the bed of the truck. Use the plywood or 2x10s like a ramp from your tailgate to the ground. Move the elk about a 3rd to halfway up the plywood ramp head first. Run a rope through the pulley, and tie one end of that rope around the elks neck if its a cow, antlers if its a bull...Tie the other end of the rope going through the pulley to a tree or something solid in the ground behind your truck and then drive the truck forward...The rope through the pulley around the elks neck/ antlers wiil drag the elk up the plywood into the back of the truck as you drive forward...