German soldiers suffering from corns contrasted with French soldiers who are shown as free from corns owing to the remedy "Spécifique Victorieux". Colour lithograph, 1870/1900 (?).
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Military footwear suffering contrasted with marching vigor. Showing limping soldiers alongside pain-free comrades proves that corn plasters dictate physical endurance on the march.
Steal this when
When selling foot remedies by dramatizing the complete disability caused by untreated corns.