NAF Himalayan Salt Lick Medium/Large. Supplement your horses diet with the NAF Himalayan Salt Lick. Offering the purest form of salt you can give, the NAF Himalayan Salt Lick is a natural and pure ingredient that should be supplied on a daily basis. Science has discovered that salt is the one nutrient that a horse will self supplement itself. The Himalayan Salt Lick can be hung in the stable or in the field to provide the purest form of salt and a form of boredom breaker without any unnatural flavourings that may encourage greediness.