Flexi Classic Long Lead 3-Up to 110 lbs Blue Rated a Best Buy by &quot;Consumers Digest.&quot; Improved durability thanks to the patented flexi high-tech spring mechanism. Brake control permits freedom for your dog and control for you. Automatic rewind keeps the leash from dragging on the ground or getting tangled in the dog&rsquo;s feet. Press the button for brake control and engage the slide button to lock it at any length.