[Amazing] Guess what it can be used for?

Everyone line up! Today, B.H has brought another unexpected and extremely "fun" new gadget! I can guarantee 300% that you will never guess what it is for?! But if you keep watching, I can guarantee 600% that after you finish watching, you'll be drooling, eyes wide open, nose bleeding, and excitedly shouting: "This thing is just too awesome!"