However, in reality it took so many years to be promoted, and because it was not easy to reach the rank of kengyo, bakufu allowed the blind to sell and buy the ranks with money.
昇格には非常に長い年月を要し、実際にはそのままで検校まで進むことは容易ではなかったため、幕府は当道座がこれらの盲官位を金銀で売ることを公認した。