By Arden Moore All the dogs in my life have sported easy-to-maintain coats. Sure, Chipper, a Husky-golden retriever mix, did shed a lot, but rarely encountered any matted fur. Kona, my terrier mix, is easy to keep clean, requiring occasional brushing and water-free shampoo baths. Regular Grooming But a few years ago, we rescued Emma, a nine-pound poodle-Chihuahua mix. With ...