Non Slip Leash and How to Shorten a Dog Leash

Non Slip Leash and How to Shorten a Dog Leash
https://youtu.be/pjQ0IrYj95o

How to shorten a dog leash? What is a non-slip dog leash?

the purchase link of the dog leash shown in this video:
non-slip leash

High definition video may help you see all of this better. This video is shot in 4K UHD setting (if you have 4K TV, you may select this youtube Setting/Quality).