This dojo is design after dojo in the 神仏習合 - Shinbutsu-shūgō periods of Japan, where it was common for a both Kamidana and a Butsudan to found in a family house and/or dojo. 神仏習合 - Shinbutsu-shūgō periods of Japan are the period where Buddhism and Shinto blended together.

Normally, the Kamidana would be in the upper of the dojo and Butsudan would in the lower seat , Because the layout of the room this was not possible and them were place next to each other.

This this spiritual focal point to the dojo no weapons maybe place on this wall.