Sensei teaches his students how to master the art of the '1-inch punch' to cut a sheet of paper clean in half. https://t.co/Xk344eNH8q https://video.twimg.com/ext_tw_video/1854630750026395648/pu/vid/avc1/720x1280/BvnExbyhrWGIo_ZP.mp4?tag=12