The Halti Dog Head Collar in Black, Size 0, is designed to help train your dog to stop pulling on the lead. Its unique design gently steers your dog's head, encouraging them to walk calmly by your side. The collar features a padded noseband for comfort and reflective straps for safety during low-light walks. It's easy to fit and adjust, making it suitable for small dogs like Bichon Frisé, Boston Terrier, and Yorkshire Terrier.