They do, however, have these weird little hook things that I imagine something is supposed to latch on to. However, for the life of me, I cannot figure out WHAT might attach to them. Maybe, hopefully you guys know.
4 places to clip something, that go up to about chest/mid-shoulder height on an average sized horse... There was the same sort of things on the wall to the left of this picture and on the wall to the right of this picture.
Here's a visual of the whole thing (before I cleaned it), if that might help:
Ringing any bells? :)