What is the purpose to use dog collar safety ring?

Why we should use dog collar safety ring?

You just hold on safety ring for precaution of dog at night on road. When  a car driver come accross near dog he/she can easily identify from far as a dog is wandering by it's brightening light. Are you looking for dog collar safety ring?

How can we use it?

We just hang on dog's neck and carry on them outside and always relax not to fear any accident.