毛筆之四德
好筆四要點 「四德」古代的人挑好的毛筆的標準為「四德」,即是 尖、圓、齊、健 四個特點。
尖:筆尖鋒利

筆毫聚攏時,
觀察筆的末端是否如刀般銳利的尖銳。
書寫時筆畫才能鋒棱易出,
寫出乾淨利落的漂亮筆畫。
這就是為什麼有些好筆,即使是大楷,
也可以拿來寫小字,就是因為筆夠尖。
若是 尚未開筆的新筆,
筆毛上沾有海藻膠聚合筆鋒,
視覺上很容易分辨出筆鋒是否尖銳。
若是 已經用過的舊筆,
將筆毛潤筆浸濕後聚攏,
也可以觀察出筆鋒是否依舊鋒利。
如果鋒利度不夠了,可以準備更換新筆!
齊: 毫尖平齊

開筆後把筆毛沾濕壓平,觀察筆毛的是否毫尖平齊,
平整如線,中無空隙,筆尖平整的筆,
寫字時筆毛受力均勻,便可萬毫齊力。
圓:筆肚渾圓

觀察筆肚是否渾厚圓滿如棗核般,
一支筆肚渾圓的筆,代表毫毛豐足,
沾墨後筆毫才可以有足夠的吸墨量。
書寫時才能運筆自在如意,可減少沾墨的次數,
得心應手的表現書藝。
若是吸墨量不夠,筆畫表現也會受限,
寫不到幾筆墨就乾了!
健:筆腰彈力

寫字時,將筆毫重壓後提起,
筆毛若逐漸恢復原狀,就代表筆有足夠的彈性力度,
以便書寫接續動作,當筆腰的彈力恰好時,就能運筆自如。
一般而言,兔毫、狼毫彈力較羊毫強,書寫起來堅挺峻拔。筆腰的彈力,過與不及都不好!
如果彈力太強太硬,一下子筆就回復原樣,
那麼書寫難保持筆畫間的流暢性。
如果彈力太弱,下筆後筆毛變形回不來,
一樣很難接續的書寫連貫。
現代因於科技的發展之下,
製造筆的技術 與 品質管理 都大大的進步,
所以新的筆達到「四德」兼備是非常容易的。

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