Slider style EDC utility knife. Small, lightweight, and because the blades are cheap and easily replaced you can abuse them - cut on concrete, pry stuff, if it breaks the blade, not a big deal.

https://a.co/d/gouJDKV typical example but there’s lots of different ones.

Bonus - these blades are more expensive than most, but still cheap and last a lot longer than standard blades do https://a.co/d/bQj77Qz

Yes, he would definitely Get them.