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This inch-thick iron plate welded to a five-foot-long heavy pipe produces an ideal “mortar and pestle” style tool to break down dry clay lumps on a cement floor. I sometimes add side rails to contain flying lumps, but when crushing softer materials, like the clay shown here, they are not needed. On a heavy iron plate (instead of the floor), I can crush rocks and bricks. By incorporating appropriate sieves, I can effectively create granular material down to 50 mesh or finer.
I discovered the utility of this during the time the movie “Home” was popular, so I dubbed it “The Shusher” after Captain Smec’s control staff (more precisely the rock on the end of it).
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