While aesthetics may differ across cultures, the principles of magic remain the same. Kitsune and tanuki use scrolls instead of staves, totems or wands as foci, placing the attuned gems on either end of both rods. The paper itself often has a spell scribed on it for easy casting, making more powerful spells quicker to invoke than they otherwise would be. However, unlike a staff, the scroll itself is largely useless as a weapon in and of itself.
Adorned with clear quartz as focusing gems, a blank scroll is the most general of all foci, sacrificing the convenience of a prepared spell for versatility and power.