金属棘轮滚动

A close-mic recording of a small metal ratchet wheel or gear scroll mechanism spinning rapidly for about 2 seconds. A series of sharp, bright metallic clicks and ticks at roughly 10 Hz, with fast attack and tight decay. Energy focused in the mid-high range (4–16 kHz), giving a precise mechanical texture. Dry, no reverb, no room tone. No music, no voice, no bass drone. Suitable as a UI transition or scroll feedback so