Clicker

Clicker is an idiophone or sound generator.

Also recorded as cricket.

Overview

Small noisemaker, used in animal training.

In detail

Its recorded use is clicker training.

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Clicker”, English Wikipedia, consulted as further reading
Consult the source
reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q835684: Clicker
Consult the source