House Elf Summoning Ritual

This ritual summons a house elf to take care of a place

Procedure

 * 1) Take four candles and create a diamond shape with them
 * 2) Pour fine grain between the candles
 * 3) Stand in the centre of the diamond
 * 4) Chant "Grata hoc loco elf domus. Tu autem servies" once facing each candle