How To Be The Perfect Horsekeeper "Perfect Solutions for everyday horse-care problems. Perfect upgrades for outdated stablecare." This book by award-winning author Dr. Karen Hayes brings a wealth of tips, tricks, tools, methods and research that make horsekeeping pure pleasure. Hat The MAX hat has superior materials, a pre-curved "all-weather" visor and adjustable velcro closure. Mug 16 oz of beauty, this double-walled mug has a stainless steel bottom. Grooming Brush This top quality 7 1/2" horsehair blend brush with a varnished wood back will get your horse looking its best.