This home remedy was popular in the early 20th century. “Light as a feather and cool as the coolest spring,” it was billed as being indispensable for “Brainworkers, Students, Sportsmen and Those Vocations That Place Its Workers Under a Mental Stress.”
Supposedly, this product increased blood circulation in the head through heat dissipation and minute vibrations.
Made in New York
Made of aluminum, cloth, cardboard, and plated metal