Due to austerity as a result of Fianna Fail steering the Irish economy over a cliff, Sean Henry, also known as elder Elve, was forced to downsize and move into a smaller abode in the forest.
Overcrowding was a problem for his family, especially their sleeping arrangements.
One day, while he was in the chicken coup, a flash of lateral genius came to him when he saw the hens cheek by jowl a perch.
Why not make them wider, he thought and so he filed for a patent using his initials and surname.
It was from this that today's bedroom shortages in Ireland for Pixies, Sprites, Fairy's, Dwarfs, Imps. Goblin's, Gnomes, Pucks and leprechauns are solved by Shelves.