tongue-lolling bit

English

Noun

tongue-lolling bit (plural tongue-lolling bits)

1. a device attached at the center of the mouthpiece to prevent horse's tongue from protruding from his mouth.

   The tongue-lolling bit was devised to overcome these habits.

   The tendency of the nervous horse to loll his tongue can often be cured by the use of the "tongue-lolling bit."