When he first contemplates the murder of Duncan, he says its "horrid image doth unfix my hair"
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King Duncan of Scotland speaks to his son Malcolm of the progress of the battle 
... Thanes (or noblemen) Ross and Angus enter and say the Thane of ... that 
suggestion / Whose horrid image doth unfix my hair / And make my... [DOC] [TLE] macbeth,theman.