A particularly successful form of multi-stakeholder cooperative is the Italian social cooperative, of which some 11,000 exist.  1 Type A social cooperatives bring together providers and beneficiaries of a social service as members.
The sport of Quidditch gets its name from Queerditch Marsh, the location of the first recorded game. A witch by the name of Gertie Keddle lived on the edge of the marsh around the year 1050 and recorded what she saw in a diary that survives to this day.
Quidditch has three balls: a Quaffle, two Bludgers and the Golden Snitch. The ball that scores the points is the Quaffle. The Quaffle is 12 inches in diameter and is made of leather bindings. The Quaffle has made some different changes over the years.