Frozen baby food is also a great way to occupy a dog. I used to hold it for Peaches, but she’s started holding it on her own. Since it is frozen it takes forever to get through. I also let her sprint outside or in the house. We do a solid amount of play time, but if I can’t play because I’m working or something- a bully or baby food or some other treat works well. Peaches lost interest in the peanut butter kong thing, but it works very well for some dogs and she loved it in the shelter.