Tracking line width
I want to get a Biothane line for tracking. I have to order it from abroad without seeing it first so I wanted to ask advice on what width would suit me. I see they come in many different widths. I have a female GSD who is expected to be around 30 kg/66 lbs when mature.
Tosca - Gunnarsholts Yoko (GSD)
Bella (Border Terrier)