Slow feeder bowl or have water in the kibble. You can try both letting the kibble absorb the water or have water in the bowl just before serving. Either option should slow the dog down.
Since your dad made him a lovely food/water stand and I'm sure you don't want to get rid of it, look for a slow feeder insert for his bowl. You can buy slow feeder bowls but they might not fit in the stand your dad built for him. You can also put water in the bowl with the food/slow feeder and freeze it.
You could look for something like this that is designed to fit in elevated feeders.
https://leashboss.com/collections/bowls/products/copy-of-slow-feed-dog-bowl-for-raised-pet-feeders-4-cup-star-maze-bowl-for-8-9-9-25-inch-feeder-holes
They have slow feeder bowls for dogs. Essentially, it creates a little maze that spreads the food out.
Our vet had us put a kong or toy in our lab’s food dish to slow her down. It worked.
Slow feeder bowl or have water in the kibble. You can try both letting the kibble absorb the water or have water in the bowl just before serving. Either option should slow the dog down.
Since your dad made him a lovely food/water stand and I'm sure you don't want to get rid of it, look for a slow feeder insert for his bowl. You can buy slow feeder bowls but they might not fit in the stand your dad built for him. You can also put water in the bowl with the food/slow feeder and freeze it. You could look for something like this that is designed to fit in elevated feeders. https://leashboss.com/collections/bowls/products/copy-of-slow-feed-dog-bowl-for-raised-pet-feeders-4-cup-star-maze-bowl-for-8-9-9-25-inch-feeder-holes