I need help identifying my cart and shafts. I also have a question about attaching the saddle to the shafts because I think the overgirth is integrated into the shaft loops. I attached pictures of the shaft without the saddle strap "loop" and with. There are also pictures of the strap next to the saddle/girth. It seems to be a very old show harness that was very neglected but the leather is still sound. The cart has shock absorber suspension on the axle not just the seat so no bouncing is transferred to the horse or driver. I have fit the entire harness to my mini with the help of a leather punch and he is very relaxed.