Until the invention of the safety razor in 1895, all men who wanted to shave – not a universal fashion at the time, to be sure – used the simply-designed straight-line, or “cut-throat”, a single blade of fine metal with a sharpened edge.
This cutting edge was honed before use on a leather belt or strap that was hooked on a door handle, cupboard knob, or bedhead.
This simple technology go...