Canny Collar Size 4 Black is a gentle and effective training collar designed for larger dogs that tend to pull during walks. The collar works by guiding your dog’s head, offering better control without causing discomfort. With an adjustable design and a sleek black color, it ensures a secure and comfortable fit, making walks more enjoyable for both you and your dog. Ideal for large dogs that need help with leash training.head, offering better control without causing discomfort. With an adjustable design and a sleek black color, it ensures a secure and comfortable fit, making walks more enjoyable for both you and your dog. Ideal for large dogs thahead, offering better control without causing discomfort. With an adjustable design and a sleek black color,