Electricpatent sock : an absolute and positive remedy for chilblains & cold feet : for gout, sciatica & rheumatism : never wear out / the Pall Mall Electric Association.
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Galvanic electric socks curing freezing winter chilblains. Promising continuous soothing warmth in footwear offers a mechanical cure for painful seasonal winter foot numbness.
Steal this when
When marketing heated or therapeutic footwear to people suffering from severe winter circulation pain.