Ill-fitting tack can cause a variety of problems for horses, including discomfort, pain, and even injury. Some common issues associated with ill-fitting tack include:

1. Rubs and sores: If a saddle or bridle does not fit properly, it can rub against a horse’s skin, causing irritation and even open wounds. These sores can be painful and slow to heal.
2. Pressure points: Ill-fitting tack can put pressure on certain areas of a horse’s body, such as the withers or spine. This can cause pain and discomfort for the horse, and may even lead to long-term damage if left unaddressed.
3. Movement restriction: A poorly fitting saddle or bridle can restrict a horse’s movement, making it difficult for the animal to walk, trot, or canter comfortably.
4. Behavioral issues: If a horse is in pain or discomfort due to ill-fitting tack, it may become agitated or even aggressive. This can be dangerous for the rider and other people around the horse.

To prevent these issues, it’s important to make sure that all tack is properly fitted to the horse. This may involve working with a professional saddle fitter or equine veterinarian to ensure that the tack is the right size and shape for the horse’s body. Additionally, it’s important to regularly check the fit of tack and make any necessary adjustments to ensure that the horse remains comfortable and safe.