many things. Such as building a snow cave when lost or digging a buried friend out of an avalanche.
Here are ten other uses for a shovel.
1. Building a backcountry booter.
2. Leg splint.
3. Signalling for help.
4. Beating an annoying friend to death.
5. Digging a hole to burry annoying friend.
7. Improvised tent pole.
8. Solar Still.
9. Air rescue marker.
10. Expedient fall out shelter.