Aluminum pads
are actually a sheet of aluminum riveted to the horseshoe BEFORE it is nailed onto the hoof. Sometimes the space between the sole and the aluminum is filled with something, but often is not.
It's purpose is to prevent abrasion from the running surface and usually is more directed at minimizing discomfort ( PAIN in plain language ). Foot soreness is usually the number one problem seen by practicing racetrack Veterinarians when responding to Veterinary surveys.
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