Possible Clues:

• Moves shoulders up and down in gesture of indifference
• Moves shoulders up and down, being indifferent
• 'Shoulder gestures, to show indifference perhaps (6)'
• Movements of the shoulders to indicate indifference
• Silently says 'So what?'
• Expresses indifference
• Some unions get stroppy initially about Personnel - they show indifference
• Puzzled reactions
• Signals 'Who cares?'
• Shows indifference