>>34681759heavy deadlifts
heavy farmers walk
extremely heavy shrugs (prolly the best since you can easily use 120%+ of 1rm deadlift)
various grippers (handheld and plate loaded)
neutral grip rows/pullups (to a lesser extent)
hammer curls (to a lesser extent)
forearm curls
plate pinches
wrist roller
etc.
there were some infographs that usually get posted in grip threads, idk if somebody still has them