Miniature Hougyoku

Secretly constructed by Szayel-Aporro Granz, the Miniature Hougyoku is a limited power, smaller version of the Hougyoku. It can turn Hollows, including Vasto Lordes, into Arrancar but at a slower rate. It is given to Sadow Yatsumaru as a gift from Szayel-Aporro since they were friends. Sadow then employs it's use to create his Arrancar army.