Thumb Wars (Klutz)Everything you need for a thumb thumping throwdown! Thumb wrestling is such a time tested, universally admired life skill for kids that, frankly, we're surprised by how long it's taken for it to get the Klutz treatment. But there is no rushing the awesomeness that is the Sleeve of Doom. Sleek, shiny and sensational, the Sleeve of Doom is the ultimate instrument of combat. Two contenders slide their hands in and clasp them together, poking their thumbs