FEEDING CRUSHER WITH BAR. CRUSHER GOT PLUGGED WITH LARGE ROCK. CLIMBED ONTO CRUSHER-MANUALLY LONER A LAYER TOOTH WELDED TO A CHAIN INTO THROAT OF JAW WHICH ASSISTS IN CRUSHING OVERSIZE. BONLDN ESS. MANUALLY LONERING AND RAISING TOOTH WITH CHAIN TO UNPLUG CRUSHER ONT HE PROCESS PULLING TRAINING ABDOMINAL MUSCLE.