The Crazy Driver is a hammer, saw and a screwdriver combined into one. You can use the screwdriver by turning the handle either way. The hammer and saw are used normally.
I first got the idea of making a hammer saw. Then I tried to make a hammer saw flashlight. That didn’t turn out to well, so then I tried to make a hammer saw drill. That didn’t turn out to well either. I decided enough is enough. I made the hammer saw screwdriver. That was my final idea.
Astronauts might need this for repairs of the ship. This is good because the hammer, saw and screwdriver are combined into one tool, so it takes less space in the space shuttle.

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