Hi Merrie, Have you tried a siderein-type gizmo on the outside of Rimfire? I used a velcro trailer tie that was adjusted just right to keep my monster-sized warmblood yearling colt from reaching over and chewing on my 25 year old, and it was the perfect fix ... I attached the trailer tie to his halter (he was wearing both halter and bridle), and then to a ring on his saddle, on the opposite side from the 26 year old mare. So with two more velcro trailer ties connecting the two harnesses at saddle and chest while we ground drove, we actually accomplished something :) ... Anya _________________________________________________________ To Unsubscribe, change to Digest or Vacation mode go to: http://www.drivingpairs.com/dpmem.shtml `````````````````````````````````````````````````````````