The biggest mistake that people make when it comes to using a Kong feeder is using it JUST as a treat dispenser. I call the Kong feeder a 'trainer assist toy' as it has SO many amazing benefits-
Companet Pet slow feeder
Snuffle mat
Games or activities that demand human and dog interaction in a way that requires the dog to make use of his sensory organs are always better as compared to humdrum games like roughhousing or chasing.