
thumb|upright=1.35|A treadle loom; the treadles raise and lower the two heddles. The heddles are connected by a rope over the [[heddle pulleys, so that they rise and fall alternately. One treadle is attached to the bottom of each heddle.]]
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thumb|upright=1.35|A treadle loom; the treadles raise and lower the two heddles. The heddles are connected by a rope over the [[heddle pulleys, so that they rise and fall alternately. One treadle is attached to the bottom of each heddle.]]
A treadle (from , "to tread") is a foot-powered lever mechanism; it is operated by treading on it repeatedly. A treadle, unlike some other types of pedals, is not directly mounted on the crank (see treadle bicycle for a clear example).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).