Wow that is so wrong, I have Cachito in a buster sit, but I think that after seing his I am going to make some changes myself. This is the buster sit I have Cachito:
Amazon.com: Solvit Tagalong Pet Booster Seat,... This one is a box that gets tied up to the sit and have a belt that attached to the dog walking harness, if someone has a sudgestion how to make it safer please help!!!!!!