SARGA.CO – Every Thoroughbred racehorse is an athlete with unique characteristics and abilities. Some are temperamental, some are too relaxed, and some are easily distracted—and all of this affects their performance on the track.
That’s why, aside from standard equipment like saddles, stirrups, and bridles, some horses need extra gear to help them stay focused. One of the most commonly used and most influential pieces of equipment is the blinkers.
What Are Blinkers?
Blinkers are a pair of plastic “cups” attached to a hood worn on the horse’s head, positioned right beside their eyes.
Their purpose is simple: to limit a horse’s field of vision during a race.
This might sound strange—why restrict a horse’s sight when it needs to run as fast as possible?
According to America’s Best Racing, the reason is that many horses are too aware of their surroundings. Horses have eyes on the sides of their heads, which allows them to see almost 360 degrees. That means they can see the movement of other horses, spectators, shadows, or even rival jockeys.
Why Are Blinkers Used in Races?
Blinkers help keep a horse’s attention fixed on what’s ahead—not what’s happening beside or behind them. The effect varies depending on the horse’s running style:
1. For front-running horses
Blinkers help them burst out of the starting gate with full focus so they can immediately grab the lead and set the race pace.
2. For closing horses
Blinkers help them stay relaxed early in the race, focusing on the horses ahead—their targets to overtake in the final stretch.
Because of this, the length of the blinkers can be adjusted. Some are made longer to completely block the side view, while others are cut shorter so horses still get a slight sense of their surroundings.
Interestingly, blinkers can also be removed. If a trainer feels that blinkers are becoming counterproductive—such as making a horse too aggressive—they can simply take them off for the next race.
There are many cases where a small equipment change results in a huge performance improvement—even career-defining moments. One example is Burnham Square, a Kentucky Derby contender. In his first two races, he sat far behind early and only managed late runs to finish second and third.
Then trainer Ian Wilkes added blinkers.
The results were dramatic. Burnham Square stayed close to the leaders from the start, ran more aggressively, and won his next two races by a combined margin of 10¾ lengths—all thanks to the focus gained from blinkers.
What About Shadow Rolls?
Aside from blinkers, there’s also a piece of equipment called a shadow roll.
It’s a fleece roll attached to the noseband of the bridle, sitting right on the horse’s nose. Its purpose is to block the horse from seeing shadows on the track so it won’t try to jump over them.
Some horses are very sensitive to shadows, and their reactions can slow them down. A shadow roll keeps them focused straight ahead.
In horse racing, small details can decide the outcome. Blinkers and shadow rolls may look simple, but they have transformed many horses—from easily distracted runners into unstoppable champions.
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