Practice story estimation techniques with this exercise in dog grooming. Then apply the principles of RELATIVE SIZING to your own backlog. Related Post: Affinity Estimating: A How-To by Sterling Barton. Dogfood David why I feel like an expert in the concept of eating one's own dogfood. Slideshare: Affinity Estimation - Size 60 Stories in about 20 Minutes . For each dog below, estimate the work effort (story size) required to groom the dog. Assuming that you have the tools and experience to groom dogs. Discuss with your teammates what grooming means ( in my book grooming includes washing, drying, combing, nail clipping, and hair trimming in some cases - etc. ). Start with the ever-popular: Golden Retriever (22-24 in, 50-90 lbs). The short-haired Dachshund (15-28 lbs). The Standard Poodle (15-18in, 40-80 lbs). Bernese Mountain Dog (25-28 in., 65-120 lbs). German Shepherd (23-26 in, 50-90 lbs). Yorkshire terrier (5 in, <10 lbs).