Providing extra shade might get rid of their must dig. You can either construct your personal canine window and install it yourself or buy one and have a contractor install it for you. Either means, test the plastic before you let Fido exterior to ensure it’s stable sufficient that he can’t get out. You could set off firecrackers or create a tin can wind chime, but tuning a radio to the static in between stations might be your best guess. Sprinklers with sensors will spray mist on passing deer.