The bells first mentioned in Scripture are the small golden bells attached to the hem of the high priest's ephod ( Exodus 28:33,34,35 ). The "bells of the horses" mentioned by ( Zechariah 14:20 ) were attached to the bridles or belts round the necks of horses trained for war, so as to accustom them to noise and tumult.
Source
- part_of
source-manifest/easton— Easton's Bible Dictionary (PD)