Use to keep the cover of an old ice cream maker securely attached. Cut a hole in a piece of cardboard, wrap duct tape around it and get a really inexpensive original looking picture frame. Tape Nerf basketball hoop to the back of a door because they just don't stay on their own. Make a pouch and attach it to a door so you can hold stuff. Repair smashed pumpkin. Waterproof sun screen for bald men. Snowmobile/motorcycle seat cover. Hold broken U-joints together on truck so you can make it home. Makes a good replacement for chrome. Patch holes in convertibles or soft top jeeps.