Come, having your dog return to you. A great chance to practice clicking and treating with your dog. Begin with timing the click to the smallest change in direction toward you, and place the treat at your feet. The treat placement helps set things up for the next "come".

You need to remember to start training the come, just like every other training, 1, close to the dog 2, minimal distractions, short
period of training. When the dog begins to "get it" that is when we begin adding (one at a time) distance, duration and distractions.

This video shows how to use a long-line to manage the dog while training a reliable "come"