Blinderspreventahorseseeingbehind it.
So why are blinders socommonon theracetrack?
Blindershelpthehorsetoconcentrateon what's infrontof them.
He puts hisdraughthorsesin blinders, so theyfollowhisleadand don't getspookedbysuddenmovements.
Theycampaignedto have blindersremovedfromworkinghorses.