Originally Posted by
JPinAZ
I think the issue here is the misinformation and/or misunderstanding about what a 'lop' is. Victor's hit the nail on the head, it's not technically a 'grab'. Grabbing is (or leads directly too) grappling. A lop sau does not hold onto the other person. The thumb should stay with the fingers, and not wrap around the lop'd arm.
Dale doesn't get it because he just doesn't understand WCK, nor lop sau. He's just going from his own understanding of grappling and grabbling, so can't make the comparison.