It seems that the "lag" (or the "secret") not only synchronizes "my stuff", but also puts them "on-plane".
Rhythm as was the answer to Lynn’s last poll and it is hard to believe that it isn’t an Imperative. Without it, the rhythm of acc2 and 3 and the whole left arm and left flat wrist, the left flying wedge assembly, well, you ain’t got didley. That rotation, a rotation on an incline plane to the base line is key.