What do they call a loop on a dog's collar? - briefly
They call it a "D-ring" or "O-ring".
What do they call a loop on a dog's collar? - in detail
The loop on a dog's collar, often referred to as the "D-ring" or "O-ring," serves multiple essential functions in securing and controlling a canine companion. This small yet crucial component is typically made of durable materials such as stainless steel or brass, ensuring longevity and reliability. The primary purpose of the loop is to attach the leash, providing a secure point for walking or training the dog. Additionally, it facilitates the attachment of ID tags and other essential items like poop bags or small toys, keeping them within easy reach during outings. Properly designed and positioned loops are not only functional but also contribute to the overall comfort and safety of the dog, making them an integral part of any well-made collar.