YWET.

respond system.
use the inner one.
or the outer one.
or both if u wan.

KIYA:

What you're seeing is the new Quad-Fist response system...
You have a choice of having between 1 to 4 o-pads installed that will take the yoyo from dead unresponsive to a tug return yoyo.. It's extremely reliable and super smooth, and the axle system removes all worry about having to center an axle or fiddle with anything at all.