Possible Clues:

• Flexible, bending easily
• Flexible, not stiff
• Lithe and pliant
• Opposite of stiff drink pulled unevenly
• Addition not meant, we hear, to be flexible
• Flexible (body)
• To start to eat like this will easily get you round the bend
• Yielding to drink? Please cut down by 50%
• Drink quietly, and the French are yielding
• Elastic pressure in fluctuating pulse