Become the most feared villain in the world, as I can inflict the ultimate in agony in any place at any time, with no way to stop me. I will continue to employ this until my subjects finally break telling me whatever information I desire, allowing me to acquire national secrets and sell them to the highest bidder, becoming a global information broker who can blackmail any world leader to do my bidding or else experience LEGO AGONY.
The hair atop your head grows really fast, increasing to the full length of your body within five minutes. As it grows longer, it becomes the world's most comfy blanket, which causes anyone who is wrapped in it to immediately feel incredibly sleepy and take a nap. Unfortunately, it only has these properties so long as it's attached to your head, as each strand turns to coarse straw the moment it is cut.