I used double hook set-ups when I am running pink worms so that I may stick the first hook at the very top of the worm and get maximum movement but still be assured that the fish is gonna get a hook in its mouth when it takes. I am shying away from this though because a couple times I have noticed that it has caused damage to the fish, either when the second hook was inhaled or it was impaled somewhere on the fish when it was being flung around during the fight. And because I fish them mainly for the nates I am trying to gain more confidence that the fish will take the whole worm and hook itself or give up movement of the worm to protect the natives.
Tight Lines
Ryan