For example, he introduced unconventional themes for the knobs that he carved for his seals. Chang Ming-sui picks up one tiny seal, half the length of a little finger, on which the knob is a vividly carved image of a dragon coiled around two seashells. Says Chang: "This is one he made in Chongqing. When I first saw it I wondered how anyone could carve something like that."
像是他在印章上的印紐雕刻，往往超出傳統型態主題，張明隨拿出一枚不過半截小指頭大的印章，上面十分立體的刻了一隻夔龍蜷抱著兩顆海貝，她表示「這是他早期在重慶刻的章，我當時看了，就想怎麼會有人這樣刻。」