I would use a Spyderco Cricket or Dragonfly depending on how much room I could allocate IF I were restricted to a folder. The RSK is a MUCH better choice in my mind. Although I don't have any Altoids kits, I have bought a dozen or so RSK's as spares for my kit and the kits of others.

Respectfully,

Jerry

For full disclosure, I have been friends with the owner of Spyderco since before they made their first knife and helped them to spread their market in the early days.