The P-38 is a foldable carbon steel can opener that was issued with canned United States military rations from its introduction in 1942 to the end of canned ration issuance in the 1980s. Originally di
The P-38 can opener is 1.5 inches (38 mm) long. A U.S. penny is shown for scale
Size comparison of P-51 and P-38 openers
A standard issue "FRED" can opener of the Australian Defence Force.
Church key or churchkey is a North American term also used in the UK for various kinds of bottle openers and can openers.
P-38 can opener
…The Swedish army also distributed a similar variant of this opener, officially designated M7481-021000 Konservbrytare Mini, with field rations. Church key Video Demonstration of various P-38 Can Openers…
A church key in the figurative sense
A tiny "church key" bottle opener
Bottle opener with wooden handle