The rarity of Birot's Bindings Set is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Birot's Bindings Set is a skin for Morphling. The skin was added to the game on Invalid Date, it was created by Nannou.
Birot's Bindings Set is currently one of the most popular skins, but it is rarely seen in the game due to its high price.