A London walking stick made around 1875-1885 concealed a brass hearing trumpet inside its handle. Hawksley and Sons built the device from bamboo, brass, and paint, giving an acoustic aid the outward form of an ordinary cane.

To use it, the owner could rest the stick across a shoulder. A reversible earpiece connected the trumpet handle to the ear, while the expanded handle gathered sound and directed it toward the listener. The cane's normal length became part of an unusual listening posture: an object associated with the ground was lifted and angled beside the head.

The disguise belonged to a broader period of concealed hearing technology. The Science Museum Group notes that acoustic devices were built into umbrellas, fans, chairs, table pieces, wigs, and even beards. Designers treated amplification as something that might need to disappear inside a socially familiar accessory.

This cane therefore performed two kinds of support. Held normally, it assisted walking. Raised to the shoulder, its handle became an acoustic funnel. The transformation required no battery, microphone, or electronic circuitry—only shaped material, a path to the ear, and a willingness to wear a walking stick sideways when conversation demanded it.