Johns Hopkins Soo Bahk Do club performed at Georgetown Law\'s Chinese Student Association during their Chinese New Year celebration.This video is part four of four. Description of breaks: 1) Master Tsai attempts a difficult break involving two brick held upstraight. 2) Regular Brick Break 3) Nail into board 4) Lying on glass, two cinder blocks over stomach struck by sledgehammer. arts, bahk, do, duk, hopkins, jhu, johns, johnshopkins, kwan, martial, moo, soo, soobahkdo