In my experience, the latters are quite often the formers as well. Fun, but mentally, physically, and psychologically exhausting.
Why does the fireman... excuse me... FIREPERSON... ... have those wood wedges in the strap on their helmet?
They can be hammered into gaps too. I keep wedges behind my truck seat to wedge car doors open when people lock out. Though a very different shape. But I'm sure thereth used for all sorts of things