To find out a thief IV

This ritual, transcribed from the Galdrabók, reveals to you who has stolen from a house

Procedure

 * 1) Wear a hawthorn bush on your body
 * 2) Draw the adjacent stave in the cross-beam of the house using chalk
 * 3) Use a copper hammer to nail a copper nail into the right eye of the stave
 * 4) Chant "In Buskan Lucanus. Fortum Atum Est"