The MASTERS hand grip will help you train a stronger grip when you train at the gym on machines such as pull-up bars or barbells, but also in everyday life.
Regular exercise will make your grip stronger and stronger.
The grip has adjustable resistance in the range of 10 - 40 kg, so it can be used by both beginners and experienced players.
The device is small, so you can take it with you anywhere and practice your grip whenever you want.