Possible Clues:

• It may be knotty work to make one footless
• Perhaps the way to make a giant, by the sound of it, drunk?
• Make less slack
• Become more tense, Cronus being mentioned
• Use a clamp, say
• Do this to get one taught, by the sound of it
• Screw up something really big from what we hear
• Tense time before note's twice removed from this number
• Reportedly giant contract
• Foreigner speaking to a number is tense