When you use your raising block to block my forearm, since my elbow joint is free, I can bend my arm and drop my elbow on your chest. old saying said, "An elbow strike can be worse than 10 punches." In the following clip, - He throw a right "fake" punch. - His opponent uses right raising block. - He use left raising block to raise his opponent's raising block. - He then drop right elbow joint on his opponent's chest. His high center of gravity give him a chance to drop down with his elbow strike. His opponent's raising block helps him to set up his elbow strike nicely.