Same thing that grows all muscles, heavy resistance training

8

Legit just do a unilateral preacher curl thats hardest at the bottom. Do it 2x a week 2 sets 6-8 reps to failure

5

literally any supinated curl, just pick your favorite one. Generally, the more stability, the better

1

For me it was cable curls

1

Why do u hate arms as a guy?

0