OVERHEAD CAGE PINCHED MY LEFT RING & MIDDLE FINGER IN THE HINGE WHEN I WAS PULLING IT DOWN. THIS CAUSED A LACERATION TO MY MIDDLE FINGER AND PARTIAL AMPUTATION OF MY RING FINGER (HALF-WAY DOWN TO THE FIRST JOINT). THIS LEAD TO NO USE OF MY LEFT HAND & SEVERE PAIN. GLOVES WERE BEING WORN AT THE TIME OF THE ACCIDENT.