That first hook they attach when doing a sling load is more than just something to stabilize it. Massive static charges build up under those rotor blades, and that hook grounds out the discharge harmlessly. Without that, you can literally get knocked on your butt.
Voice commentary would been nice and make the whole video awesome! The Super Stallion can carry a 26,000-pound Light Armored Vehicle, 16 tons of cargo 50 miles and back, or enough combat-loaded Marines to lead an assault.