r****n
发帖数: 28 | | b*********s
发帖数: 6757 | 2 there is also this ring you can wear on your finger, it will beep if you
squeeze the grip too hard. It's used for training golf, but I think it can
do the same for tennis.... sorry I forgot the name for it, you'll have to
look it up yourself. =)
【在 r****n 的大作中提到】
: 如题
: http://www.engadget.com/2013/11/13/zepps-multi-sport-sensor-arr
: for tennis
: http://www.youtube.com/watch?feature=player_embedded&v=V4argW5P
| r****n
发帖数: 28 | 3 hmm.. seems the equipment is getting fancier and better but not my forehand.
..
【在 b*********s 的大作中提到】
: there is also this ring you can wear on your finger, it will beep if you
: squeeze the grip too hard. It's used for training golf, but I think it can
: do the same for tennis.... sorry I forgot the name for it, you'll have to
: look it up yourself. =)
|
|
