You can get yo-yos which are very unresponsive only back to hand with a bind. To wake up such a yo-yo you have get more response for it: You can do this if you bring one or more additional strings to the axle. This is how the bind works: Do a trapeze or an undermount and move the loop of the trick over the yo-yo. The extraloop now brings more strings to the axle and in that moment when you are moving the loop into the yo-yo you can wake it up. This also works also against the spindirection of the yo-yo. (Backspin Bind).!