Concerning the sewing method of the leather and tokawa (attached leather), in 'Yuteihisho' (Secret Book of Garden Games), it says, 'in Kyoto City, Kawara-in House and Amabe are the best except for these two, no one can make kameri balls.
革の縫いかた、取革については、「遊庭秘抄」に、「洛中に、河原院、又あまべとて、此の二ヶ条ならでは鞠くくりなし。