Later on, he would use the umbrella as a shield to cross an open road under fire and rescue the unit's Chaplain (presumably the Germans were too befuddled to shoot). And when the Germans brought up armor to take Arnhem Bridge, Digby led a bayonet charge against the vehicles and disabled an armored car by sticking the umbrella through a vision slit, poking the driver in the eye which rendered him unable to keep driving.

"This is probably a stupid question, but . . ."