If you did 12.4 last year… this is still a Bitch of a WOD. Pace your wallballs try to minimize/control rest periods as much as possible. Focus on descending with the ball rather than catching it and then squatting. Make sure to raise your heart rate before the WOD and then bring it back to a normal resting heart rate before you start. Try to kill large portions of the dubs. Regulate your breathing and kick ass!
If you struggle in the bottom position of the squat make sure to work on opening the hip flexor with a lacrosse ball and mash your ankles too for better movement. shoulders and quads will be the first to give way to stress, so make sure they are good and warmed up beforehand.