Our ultimate BioThane®training lead, The Convertible Two Tone Slip Leash created just for us from the local Canadian brand, PackHardware. This custom lead takes you from The Slip Leash to The Original Leash in seconds. We love this leash because it is so versatile. With all the features of a regular leash and slip leash combined. BioThane® is a vegan, waterproof, stinkproof, durable material that has the feel of broken in leather.