David Carter and his 10-year-old son Jeremiah decided to give back to their 2-year-old Goldendoodle named Nala and other dogs and their owners in Saskatoon, Canada, by building an open “Stick Library” in local dog parks.

David Carter and his 10-year-old son Jeremiah decided to give back to their 2-year-old Goldendoodle named Nala and other dogs and their owners in Saskatoon, Canada, by building an open “Stick...