Found an used Tennis Tutor ball machine w/rem. & 2L which is lack of spin
control. What's your opinion on spin control for a ball machine? Is this
feature very necessary?
Thanks a lot!
【在 T******1 的大作中提到】 : Found an used Tennis Tutor ball machine w/rem. & 2L which is lack of spin : control. What's your opinion on spin control for a ball machine? Is this : feature very necessary? : Thanks a lot!