Dogs with wiry coats need large pin brushes in which the bristles are spaced closely to help prevent matting. (vetinfo.com)
Welsh Terrier Breed Facts: Grooming: The non-shedding, harsh wiry coat of an Welsh Terrier will need weekly brushings and grooming every 3 months. (puppy-basics.com)
Silky and wiry coats do well with four baths a year. (thesprucepets.com)