Build forearm muscles with wrist curls
Build forearm muscles with reverse wrist curls
Do hammer curls
Do farmer’s carries
Do dead hangs
Use grip trainers
Perform plate pinches
Train with thick bars or fat grips
Do wrist rotations with light weights
Progressively increase resistance over time
Eat enough calories to support muscle growth
Eat enough protein daily
Get adequate sleep and recovery
Be consistent with training
Focus on overall muscle gain, since wrist bone size cannot be increased significantly