Stretching Leather Shoes
Sometimes rubbing the area that needs streching with alcohol while the shoe is on works.
Take it to a shoe repair shop. They carry a stretcher insert that has a crank on it and will be able to stretch it a few sizes wider for you, for a small fee. This is cheaper than buying the insert.
If you dont do that, soak the shoes in water for 24-48 hours. put on a pair of thick socks and wear the shoes till they dry. This will conform the leather to your feet. This is the way cowboys made their cowboy boots conform to their feet. Hope this helps!