EE WAS SITTING IN THE OPERATOR'S SEAT ON THE DRAGLINE./ HE REACHED UNDER THE FRONT PORTION OF THE SEAT TO SLIDE IT FORWARD WITH HIS RT. HAND WHILE SIMULTANEOUSLY LOWERING THE SEAT WITH HIS LEF T HAND ON THE SIDE CONTROLS. AS THE SEAT LOWERED, THE FRONT ADJUSTMENT BAR PINCHED THE TIP END OF HIS RT. MIDDLE & RING FINGERS.