As often as I encourage giving horses and dogs enrichment, I sometimes get the response of, “oh he’s not smart enough to figure that out” or “she’s too lazy to do that, she just wants to eat”. I’m not always sure if that’s an assumption people make because they think of their animals a certain way or if they have tried it unsuccessfully. In either case, my response is the same as it is for other training challenges: break it down, make it easier. And then slowly increase the challenge.
I know from experience that learning to slice things into easier steps is a skill which takes time to develop so here are some suggestions.