Homer: The Turning Rate of the Pivot Components especially the Shoulder Turn as actuated by Hip Action (7-15) - MUST be identical and synchronous with the #3 Accumulator Roll, else its Rhythm gets disrupted.
Tomasello: In other words he is telling you your left Hip has got to be synchronized with this Right Arm. The Left Hip is synchronized with the Right Arm because it is Hips which are going to pull the Shoulder - and the Right Arm goes right down the line.