How must the props bind when the front rows engage?;1.Loose head prop binds outside the tight head's right arm2.Tight head prop binds outside the loose head's left arm3.Tight head prop may bind on the loose head prop's upper arm4.Tight head prop may opt not to bind5.All props must bind on the back or side of the opposing props' bodies6.Once bound, props may exert upward or downward pressure on opponentsAny assistance please