Walky Dog Plus Hands Free Dog Bicycle Exerciser Leash Newest Model with 550-lbs pull strength Paracord Leash Military Grade TUV SUD Product Service Certification Approved Mark for " German Quality " Tested for Safety High Carbon Stainless steel for strength, leash installs on virtually any bike in under 5 minutes Only True Quick Release Bike leash For detaching the wand when not using or for walking with your dog. Patented design. Leash Has Military Grade Paracord 550-lbs pull strength, 7 strand Inner core 5/32 -4mm diameter, uv fade resistant & rot resistant Patented design includes an internal shock-absorbing system and quick lock and release capability for easy switching between bikes Lets you walk your dog with the wand when not riding. Length of Leash is Adjustable Can add 6.5 Inches by taking out 2 springs inside the Steel Wand that will allow extra leash length.