LEARN HEREINSTRUCTIONAL VIDEO for official patient whistle, seeing the plays thru, and touch mechanic Learn HereINSTRUCTIONAL VIDEO LEGAL/ILLEGAL GUARDING POSITION, SECONDARY DEFENDER PLAYS AND IMPEDING AN PLAYER LEARN HEREINSTRUCTIONAL VIDEO CREW COMMUNICATION JUMPBALL SITUATION AND NON LEGAL GUARDING POSITION Learn HereINSTRUCTIONAL VIDEO ADDRESSING COACHES, CALLING PLAYS, POST PLAY AND OFFICIAL COVERAGE AREA PLAYS