Ok, i think we've all not liked or regretted using lucas' running grab at one point or another. I'm just posting this to point out, his pivot grab is 100x better. Looks like it has a bit more range, but the main advantage is the speed in which is comes out. Waaaay faster than idle/running grab. Just do a quick dash dance and grab on your way back. Almost half as much ending lag too. Good mind game potential, you could either grab, pk fire or bair. Main point, get good with that dash dance>pivot grab.