Gintō

are small silver cylindrical capsules that store spiritual energy in a liquid form .They are used by Quincy for spell-casting in the same way that Shinigami use Kidō. Like Kidō, they are activated by calling out various commands.

Appearances in Other Media
In the latter, Uryū uses a technique called Gert Sprenger. This involves Uryū firing a single Seele Schneider at the intended target, which then stops in mid-air, surrounding the opponent with a high density barrier of reishi. Minuscule cuts created by Seele Schneider cause reishi to flow out of the target's body. Uryū throws a Gintō at the Seele Schneider, causing the barrier to implode, culminating in an enormous explosion.