Weird Patent of the Day
Mustache-trainer
A mustache cultivator or trainer that provides a simple and effective means, adjustably applied on the face of the wearer, for training or cultivating the mustache so that it may grow in the desired form and position. A strip of flexible material, preferably spring metal, is shaped to give to the face.
Source: United States Patent and Trademark Office, www.uspto.gov. Official PDF: USPTO patent PDF. Also at Google Patents. The drawing on this page is a reduced copy of the official figure; see the original drawing.