SheltieChe
Forums Sage
Some good ideas what to do when dog has limited mobility or need extra rest. I love muffin tin game, boys play it a lot. I also modified it to cooking pan with one ball and treat is always given behind the ball so dog has to push ball around in the pan.
https://www.youtube.com/watch?feature=player_embedded&v=YfL99xcEpXc
https://www.youtube.com/watch?feature=player_embedded&v=YfL99xcEpXc