Can a dog collar be too loose?

A dog collar generally only has two purposes:
1. Keeping your dogs tags connected
2. Connect a lead for a walk.
Although over time dog collars have become more than just a function piece of dog wear, the basics still remain. It is important to make sure your dogs collar is the fit right so your dog doesn’t slip free during a walk or while they are playing. But how tight should a dog collar be?
A normal dog collar should be snug but not too tight, there is a rule called “the two finger rule”. In this rule you take your pointer and middle fingers and slide them in between your dog’s collar and neck, if your fingers slide in easily but feel snug the collar is perfect. If your fingers can’t get in the collar is too tight, and if your fingers are free to move about once inserted the collar is too loose.