There should be space for another half Basenji inside the coat. It should be pliable and you should be able to feel its space between your finger and thumb if you pinch it (lightly, of course !)
I measure out the kibble in the morning for the days' ration and the only treats they get are taken from that ration. They think they are getting a treat, but actually it is coming from their daily amount so no extra calories at all !