Wayland Town Crier 5/24/12: Happy Hollow students set up raffle to help stray dogs. Happy Hollow School fifth-graders Drew Macklin and Sean Lorenc are hoping to make a difference regarding the large population of stray dogs in Puerto Rico. Macklin approached Dr. Flavia Zorgniotti at Phoenix Veterinary Hospital to come up with a raffle, with proceeds benefiting Second Chance Animal Rescue.