“The human foot is a masterpiece of engineering and a work of art.” Leonardo da Vinci Today is Appreciate Your Feet Day! Leo wasn’t lying. Our stair steppers are truly masterpieces of both engineering and art. The older I get, the more I do appreciate how my ground grippers have served me for 49 years and counting. When I was younger, I absolutely hated that my concrete caressers were the size of big flapping flippers. But it didn’t take me very long to realize the benefit of large-scale sidewalk stompers over small or average sized ones. Benefit one is that my floor flappers really are the size of fish flippers…