Comparing more than a dozen fitness trackers to find the best. | The Verge

👇”The ZERO” tracking exercise… This exercise isn’t that well known… But it’s still one of the MOST important exercises in my tracking system. The goal is to teach your dog to calm down when it can’t immediately find the track. Because, often… Dogs are very excited at the start of a track and take off like rockets… So you have to teach the dog to immediately use its nose to find the track from the very beginning. Here’s how to do that… You place an object – but there’s NO track. You give your do

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