
with your forearm by your hip, and the tip of your elbow sticking out behind your back, rotate your hips. you will feel your hips suddenly yank on your arm. your arm will now whip.

heres a hook thrown with no whip. whip will not occur because the arm does not start behind the hip.

heres a hook thrown with whip.

with your arm behind your hip use your hip rotation to pull your arm and then follow all the way through.




