[Marcella]

GI can openers from Amazon:

G.I. Type P-51 Can Opener - 10 Pack $4.82
Sold by Survivalist USA
Condition: new

I keep one in my purse. I have opened two cans with one and opening two cans will have you opening cans easily with these little openers. Our military has been using them for eons.

[Iron Munro]

GI can openers from Amazon:
G.I. Type P-51 Can Opener - 10 Pack $4.82
Our military has been using them for eons.

Been there and done that for real.

Get a P-38 (smaller than the P-51) and carry it on a dog tag chain around your neck.
Always there for emergencies. 43 Uses For A P-38