The rarity of Pitmouse Fraternity is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Pitmouse Fraternity is a skin for Meepo. The skin was added to the game on July 19, 2018, it was created by Keanhotshine.
Pitmouse Fraternity is currently one of the most popular skins, but it is rarely seen in the game due to its high price.