Being able to pull up or peel something without peeling back your thumb/finger nail is kinda nice. I don't carry a specific pry-bar, but some things I carry have a pry-bar-esque utility that is super handy.

I have found the usual small prybars useful, but I have since discovered variants like this:

It provides a much better grip and the curve give it a lot more leverage. I've been surprised at how much more effective it is than straight bars of a similar size. (This one was made by Teale Designs on Etsy.)

To take out mini head crabs. - Doctor Freeman

When I was a kid I cut myself on one of those peel-up cat food can lids, so badly I saw my own bones for a moment.

Ever since then I've preferred to use a tool for opening those cans, if only out of paranoia.