Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to brush a long haired dog [title] Buy proper brushes. [step] Dog brushes come in different sizes, shapes, and characteristics. You'll need at least one or two of these to do a good job, so take into consideration your dog's breed, hair type, and needs when selecting brushes.

Ending1: While you can buy 100% rubber brushes for dogs, none of the finer brushes are finer. [substeps] Brush high quality brushes, such as nylon bristles, nadbrush, and water-based foams are made with small, flat head brushes, and create interchangeable techniques. Ending2: [substeps] For instance, wire-pin brushes work well on curly or wooly coats and on medium to long-haired dogs like retrievers, spaniels, and setters. They may or may not have rubber-tipped ends. Ending3: Here are some tools and techniques to look for : [substeps] Brush away any tangles. Comb hair back, straight back, left side, top left/bottom right and bottom right. Ending4: [substeps] Brushing medium-length hair is best with fine or coarse fur. Long, coarse fur is ideal for a curly coat.

Answer format: ending1/ending2/ending3/ending4