Originally Posted by The Predator
Hand eye coordination? Well I can do it with my eyes closed as well. It does build your shoulder and neck endurance, handspeed, iīm little unsure here cause you actually donīt hit it the proper way that you throw punches. it is a fun thing to work at but i know that some boxers never used it, as well as some never used the double end ball
I second this. I can do the little bag with my eyes closed no problem too; dispelling the hand-eye coordination myth.