Related Clues:

• This may flow up for a change
• The tiller is in this in a knot, by the sound of it
• 'Going in and out up, tied in a knot, just for a change (4)'
• Can the ebb and flow work for a change?
• Change for a turn of the tide
• 'If the water is going the wrong way, change it (4)'
• The turn of the tide
• Sounds as if such a diet will get one in and out
• Surfers monitor it
• It may be turned against you
• Polish up prose
• Check prose
• Change a sentence, say
• Change Shape?
• It waits for no man, purportedly