Shishi-odoshi


, in a wide sense, refers to Japanese devices made to frighten away animals which pose a threat to agriculture, such as the kakashi, naruko and sōzu. In a narrower sense, it is synonymous with .
Sōzu is a type of water fountain used in Japanese gardens. It consists of a segmented tube, usually of bamboo, pivoted to one side of its balance point. At rest, its heavier end is down and resting against a rock. A trickle of water into the upper end of the tube accumulates and eventually moves the tube's centre of gravity past the pivot, causing the tube to rotate and dump out the water. The heavier end then falls back against the rock, making a sharp sound, and the cycle repeats.
The noise created by these fountains was intended to startle any herbivores such as deer or boars which may be grazing on the plants in the garden, but shishi-odoshi are now a part of the visual and aural design of gardens and are used primarily for their aesthetic.

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In popular culture

A shishi-odoshi features prominently in the climactic fight scene in the film .