It is essential that you do at minimum, a 3 min warm-up before starting this workout!
Heavy-Light-Regular (HLR) Swings - The weight of the bat is what matters here. Recommended off a tee at thigh height.
Wrist Action - Stop bat at point of contact, then move bat back-n-forth with both wrists.
Dynamite Drill - Get a deflated soccer or kick-ball, and place on tee at thigh height. Swing through the ball.