Crossword clue: a fetter for horses, or cattle, when turned out to graze; -- chiefly used in the plural.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
strap the foreleg and hind leg together on each side (of a horse) in order to keep the legs on the same side moving in u