The family remedy; or, Perkins's patent metallic tractors, : for the relief of topical diseases of the human body; and of horses.
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Perkins claimed that drawing his patented metallic rods across afflicted limbs pulled inflammation out of the body through galvanic action. Demonstrating tactile physical manipulation offered sufferers tangible sensory proof of therapeutic efficacy.
Steal this when
Steal this when a tactile, visible physical ritual makes an invisible therapeutic mechanism believable.