This is the ceremonial transport of the materials for the Mihishiro (including the two spare materials for both Naiku and Geku) that have been brought to Ise to each Gojoden in the Naiku and Geku.
木曽から切り出された御樋代木（両宮とも予備2本を含む）を伊勢到着後両宮境内五丈殿まで運び入れる儀式。