WHILE REMOVING THE WEST HOURNAL END CAP ON THE ROLLERMILL, THE END CAP WAS SLIPPING OFF. IN THE EFFORT TO PUSH IT BACK ON, PINCHED THE LEFT LITTLE FINGER BETWEEN END CAP AND PIECE OF PIPE. REC EIVED A LACERATION TO THE FINGER AND THE FINGERNAIL WAS PULLED LOOSE. THE LACERATION REQUIRED 1 STITCH.