'Pig Oil' is a well kept secret, revealed here by dressage rider, Hannah Biggs. It’s actually a mineral oil which was originally used to make pigs shine in the show ring and has been used on heavy horses to keep their feathers silky white and shiny. Hannah shows how to apply it to make your horse's coat gleam and catch the judge's eye! She explains its many uses which, she says, include a treatment for sweet itch, minor cuts and rug rubs, as well as restoring hair. Hannah's PSG dressage horse, '