Black Leather Teaching Lead: Dogs Over 40lbs by Sarah Hodgson Designed by best-selling author and dog behavior expert Sarah Hodgson. Ingenious design allows for use as a traditional leash, a hands-free lead or an indoor/outdoor training aid. 6' length. When used hands-free, fits up to a 44" waist. 15" extension sold separately. The Teaching Lead is available in styles suitable for all dogs and all budgets. Scroll up and click on Sarah Hodgson to see the full line!