Use wrist strength exerciser 12 times/1 * * * 3 groups in each group (left hand and right hand are separated).

You can do more in one day according to your own situation.

Wrist strength device, as its name implies, is used to practice wrist strength. It can be used to train forearm muscles, such as forearm flexor and toe flexor. Long-term practice can achieve the purpose of strengthening the body (focusing on the forearm). The market price is generally between 20 and 50.