Pros of buying a greyhound dog collar
http://www.techtails.com.au/2016/04/martingale-dog-collar.html
The no-slip collar is a type of canine collar that gives more restricition over the dog with no the choking effect of a chain collar. The greyhound collar is also known as greyhound dog collar. The martingale dog collar was produced for hounds that their necks are larger than their heads, and can often slip out of classic collars. The martingale collar have reached approval between other dog enthusiasts.
