Kurgo Auto Zip Line & Leash Combo combines a leash with the ultimate in-car dog security system. The Kurgo Auto Zip Line & Leash Combo system connects easily to your car's cargo hooks for simple and secure travel with your pet. Then, once you reach your destination, simply remove the zip line and attach the Kurgo Pet Travel Canine Wander Leash to hit the town. Inspired by a dog run, the Auto Zip Line™ allows back and forth plus sit and stand movement, but also provides security for those unexpected driving moments we’d rather not think about. The Auto Zip Line is endlessly versatile and can be used between any two fixed points in a vehicle. Here is a happy and safe solution for everyone who agrees it’s more fun to make the trip together.