As humans evolve, they devise ways to reduce the manual labor required to do menial tasks. Whether this attempt to save labor is due to abject laziness or a desire to develop neat tools can be debated. Sometimes, however, the effort saved may seem as if it hasn’t been saved at all. Consider raking leaves. Oh sure, one could buy a standard garden rake which at the most expensive might cost $15. Then all that’s left is to apply elbow grease and the leaves are taken care of. My back won’t allow me... Sign in to see full entry.