Training can be started by running short trails on a family member whom the puppy sees walk away, at first remaining visible, and later going out of sight. Even though familiar with the scent of the 'runner', it can be given a scent article to sniff, and given the command to follow. It can also be introduced to the tracking harness, which is put on just before the trail starts, and removed as soon as it is finished. On reaching the runner, the puppy is given lavish praise and perhaps a ...