Diy Dog Coat Spray . Natural doggie deodorant by wahl. Pour in vinegar until spray bottle is full. 5 Homemade Dog Coat Treatments from twolittlecavaliers.com Using an old toothbrush or a cotton cloth, apply the paste to the stained surface. 14 homemade deodorant spray for dogs | diy dog deodorant 1. Get rid of stinky fur with this coat freshening spray, with video tutorial!