Crossword clue: one of the leather screens on a bridle, to hinder a horse from seeing objects at the side; a blinker.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on eit