I think it is a law that all men in the south must have a pocket knife. My dad broke his blade trying to get the locker open at the pool where a little boy had locked all his things in (and these were old lockers and not supposed to be used).
Had planned to look this week for a pocket knife, but I found a nice one at Andy's Garage at
[Only registered and activated users can see links. Either login above or
Register Now] The knife is on the front page and also in with sporting goods and outdoor items.
Knife has several options on it--regular pocket knife blade plus a saw for small limbs, can opener. Some of the things I didn't recognize. Not so many that it would be bulky though (which is important if the person does carry it in the pocket)
The secondary brand name starts with W but this is Swiss Army which is a very good knife. Runs between $40 to $50 usually and around $16 at Andy's including the shipping.