Micro Psychic --close-up magic Super Ultimate Rotating Bolt Off Nut/Mentalism magic/magic prop magic show
Nothing to hide in your hands.No complicated body hook ups.Can be immediately repeated as many times as you want.Fully examinable before and after the effect.Easy battery replacement.Uses a battery commonly sold in stores worldwide.Six months warranty.No clothing limitation. You can wear short-sleeves. You don't even have to be wearing clothes!No switches are required. In fact, no sleight of hand is needed.No suspicious moves.Audience themselves screw the nut onto the bolt and also you can hand the bolt and nut to them immediately after the effect.