The case of a thick marker can be used for storing all kinds of small items (e.g., drills), if you remove the writing end element.
Such a container is easily mounted on clothing using the clip on the cap of the marker.
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MAPS AND METAMORPHOSIS
What started karting? In the 30-ies very popular among American boys was competition for non-motorised trolleys moving along slant paths. Some Joker aptly called them "racing soap...
TO HAMMER WITHOUT A HAMMER
In an awkward place where there is no opportunity to even swing a little hammer, "hammer" a nail with the help of the clamps: it will simply push, and on the hat, no worse than a hammer.
