Chien is especially fond of the soft feel of the felt hammers. But with one end connected to the keyboard, the other end striking the piano wire to set it vibrating, the hammer is the key to determining the tuning and quality of the sound. Just getting one note wrong can ruin the whole job.
湘綺最喜歡撫摸「羊毛槌」的柔軟觸感，可是一端連著琴鍵、一端擊打在鋼弦上使弦振動的羊毛槌，也是決定音準高低和音質好壞的關鍵，只要錯聽一個音，就會全盤皆輸。