Inventor Otis L. Boucher offered this steel suit to American troops during World War I. Each of the seven pieces presents an angled front to the enemy, in hopes of deflecting bullets, and the padded helmet can be thrown back when necessary.

“Since … helmets have unquestionably proved their merit, particularly as a defense against bursting shrapnel, why not go a step farther?” approved Popular Science Monthly. “Why protect only the head? Why not the whole body?”