Initially, I rubbed a Canine treat to the palm of my hand in order that Bonnie could odor it. I started out by holding my hand before Bonnie. If that didn’t work for her, she would scrape her tooth over the glass. Actually! The sound was also Terrible to bear. https://medium.com/@tinypigletpublishing/how-to-teach-a-dog-to-roll-over-f176075b056f