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Is it Time to Change Bits?

Is it Time to Change Bits?

Published on: 5/15/2025

Key Takeaways

  • Repeated head tossing, pinned ears, resistance to rein pressure, and tension under saddle can be signs of bit discomfort rather than training issues or bad behavior.
  • Common indicators of bit resistance include riding behind or above the vertical, gaping the mouth, pushing against the bit, sticking the tongue out, and frequent hand throwing.
  • Occasional fussiness may be situational, but resistance that appears consistently and repeatedly should prompt closer evaluation of the bit and the horse’s comfort.
  • Bit resistance can also be linked to dental problems, making routine dental care an important part of addressing discomfort under saddle.
  • Selecting the correct bit involves understanding the horse’s response to rein pressure, the rider’s discipline and goals, and choosing a mouthpiece that supports clear communication without causing pain.

While enjoying a ride with your best horse, she throws her head in frustration and pins her ears. You chalk it up as an off day, one of many as of late, but it could be much more than that.

“It is important to understand what the bit is doing and what to watch for,” cautions Chris Blevins, MS, DVM, Associate Professor, Equine Field Service with Kansas State University. “It is our responsibility to keep our horses comfortable.”

If your horse is experiencing bit pain and discomfort, you may notice signs of bit resistance.

“There are several signs of bit resistance,” says Judy Auble, with Toklat and Myler bits. “The best way to determine whether your horse needs a new bit is to pay attention to how your horse reacts to your rein action and rein pressure.”

Could it be time to change bits? Watch for these warning signs:

    • Inverting, when horses ride with their muzzles held high 
    • Riding behind the vertical, as horses tuck their nose into the chest 
    • Gaping, when horses drop their jaws behind the vertical, relieving tongue pressure
    • Running through the bit or being heavy on the bit
    • Riding with their tongue out of the mouth
    • Consistent throwing of head and pinning of ears

“If you think your horse is experiencing bit resistance, look for the behavior repeated frequently and routinely,” Auble said. “When a horse inverts only once in a while, or is fussing because his trail buddies left him on the trail, it could be more of a behavior or training issue.” Signs of bit resistance also could pinpoint to dental health issues.

When exploring new bit options for your horse, take into consideration not only what you are doing with your horse, but also which mouthpiece best fits your riding style, recommends Dr. Blevins.

Learn which bit level is appropriate for your horse’s performance needs, and find an extensive selection of mouthpieces.

Whether for horse, livestock, or pet, Valley Vet Supply is your one-stop shop for trusted care. Explore more of our horse category at ValleyVet.com

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