Rasping of the sharp enamel points prevents sharp edges forming that may cause soft tissue trauma. Also to prevent focal overgrowths developing or result in progressive abnormalities of wear resulting in quidding or loss of condition.
Rasping (floating) to reduce sharp edges can vastly improve your horse’s performance. It is essential that your bit or bridle does not cause oral discomfort. Your horse will not work comfortably if it has any sharp teeth or overgrowths that restrict the free movement of the jaw.