Possible Clues:

• Free jazz joint is used by sailors in a bind for a quick release
• Security of Tier F smoke screens? No
• Simple way to secure two rope ends
• Bond bird hit fellow getting uppity?
• Means to secure shore bird under rocks
• Something to secure sails oftener crumpled across end of deck
• It's about FK, not what's used when reducing sail area
• Secure way of joining the ends of two ropes
• 'That's never the tide for Granny, by the sound of it (4,4)'
• What could secure two birds separated by one foot