Pictured here is a circa 1937 Stropone razor sharpener. The company’s name, Stropone Inc., is a play on the word strop, or stropper, which was a strip of leather used for sharpening straight razors.

HAVING DULL KNIVES can make cooking feel like a chore, and sometimes you don't even realise your knives are dull until you sharpen them and see the monumental difference it makes - which is why when ...