How to groom and trim an American Cocker Spaniel. Complete lessons on how to give a proper haircut to a Cocker Spaniel dog. Step-by-step instructions on everything you need to know about grooming like a professional dog groomer. Includes discussions of what equipment you need to get the job done. This is part 2 of the 7 part series by Jim Zimmerlin... which features Jim grooming a shaggy Cocker rescued from the dog pound and making him beautiful again.