Exercising for me AND my dog

[Tater]

I have a hyper Australian Shepherd, Jack, (the four legged fleabag in my avatar) who loves to go out with me. I don't take him biking, but running/walking is another story. He knows when I am pulling on the Acsics that I am going out for a run and will sit as close to me as he can, even on the shoe that I haven't put on yet. I think he is hoping that I won't forget him! (As if!) We went through obedience training, but his place is at the absolute end of the leash. He won't pull, but that is his spot. As with Knot and GLC's pooches, he knows when we are out to sniff and p!$$ and when we are out to put some miles on.

[Melstar]

Hmm looks like a nice contraption.. this may sound silly but has anyone tried it with 2 or more dogs? or should i just go invest in a chariot or something instead..