In Hamanako Kanzanji Bijutsu Hakubutsukan located in Kanzanji-cho, Nishi-ku, Hamamatsu City, Shizuoka Prefecture, there is a tea kettle called 'Hiragumogama' which is said to have been dug up from the ruins of Shigisan-jo Castle and fell into the hands of Nobunaga who cherished it.
静岡県浜松市西区(浜松市)舘山寺町の浜名湖舘山寺美術博物館には「平蜘蛛釜」と伝わる茶釜があり、その由来によれば、信貴山城跡を掘り起こした際にこの茶釜が出土しており、信長の手に渡り愛されたものだという。