Quarter whats?

Today was speed day for OH Press and trunk and grip work otherwise. I do the 1/4 squats for 2 reasons these days- one to get used to unracking heavier weight, and two because I'm hoping it will aid in a harnessed truck pull for Strongman.

A1. Speed OH Press

5 x 45#
5 x 95#
3 x 115#
12 x 135# (3,3,3,3)

B1. 1/4 Squats

5 x 135#
5 x 225#
3 x 315#
16 x 405# (4,4,4,4)

B2. Ball Slam

10 x 12#
10 x 12#
12 x 12#

C1. 3.5" Bumper Plate Pinch Grip

30s x 25#/hand
35s x 25#/hand
40s x 25#/hand