I work part time as a courier. We (my wife and I) regularly deliver to people who need to inspect/inventory what we have delivered. I can't tell you how many I have seen them trying to cut packing tape with a set of keys, or a ballpoint pen. When I offer to cut the tape for them, they generally (especially the men) reply with a no thanks, I always do it this way or something along that line. The women are almost universally appreciative of the offer (no risk of breaking a nail I'm sure).

But I have yet to encounter one who has a pocket knife.

I carry a Swiss Army knives, but don't have any pictures of them.

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John 3:16 .