In the old days, insane men wore blocks on their heads to be easily distinguished from theologians.
Madness string 1371
My mother brought home dozens of different colored/textured carpet squares in the '70s, and we three older kids, maybe 10 to 13ish, spent the next three weeks using big, curved needles to stitch together enough of them to cover our living room floor. My mother was nuts. Still is, for that matter.