According to research by Juan Chang-jui, chief of the museum's anthropology division, they were pillars or horizontal beams used by Kavalan people in men's lodges for rites of passage to manhood.
根據人類學組組長阮昌銳的研究，那是噶瑪蘭人在成年禮時用來當作男子會所的屋架或橫樑。