As a student I developed an elegant answer to this problem. I owned three ambidextrous socks - 2 to wear and one in the wash in strict rotation. I went to the launderette weekly. :wink:
Regretably not, Jon, as I'm afflicted with a bad back, a poor sense of balance, sciatica, arthritis, muscular cramps, heel spurs, asthma, myopia, deafness and housemaid's knee.