All: I’ll add the P38 Army Can Opener to my WEAR kit…knowing though that the chance of HAVING a heavy can of food TO OPEN is extremely remote.
You’ll have to do or not do, at YOUR discretion.
The weight is next to zero…..its Flatness not intrusive.
Its larger size (over the original) is faster and easier too hold. (Easier TOO to find if dropped).
Now, pray and do as YOU feel you should.