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Bitts are paired vertical wooden or iron posts mounted either aboard a ship or on a wharf, pier or quay. The posts are used to secure mooring lines, ropes, hawsers, or cables. Bitts are carefully manufactured and maintained to avoid any sharp edges which might chafe and weaken the mooring lines. ==Use== Mooring lines may be laid around the bitts either singly or in a figure-8 pattern with the friction against tension increasing with each successive turn. As a verb ''bitt'' means to take another turn increasing the friction to slow or adjust a mooring ship's relative movement.〔 Mooring fixtures of similar purpose: * A bollard is a single vertical post useful to receive a spliced loop at the end of a mooring line.〔 * A cleat has horizontal horns.〔Knight, p.788〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bitts」の詳細全文を読む スポンサード リンク
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