Dome:
If the frame is thick enough, and is magnesium, putting shavings off the frame onto the tinder will help greatly. I hadn't thought about the notion of using sharpener shavings as tinder. Hm... old school crank pencil sharpener, have it chew up 1/4" doweling, bag the shavings.

The spare blades might be nice for any needful small fine cutting or carving needed. I mind this, as somewhere in the depths I recall seeing a pencil sharpener specifically designed to run on X-acto knife blades.

All this on small cutting tools.... even double bagged in Ziplocs, a 10-pack of Gem or other single edged razor blade wouldn't be taking up much space.