Possible Clues:

• It keeps the ball rolling
• Why you won't act in 'The Tear I Shed'
• Disinclination to move one with detached retina
• Perhaps it takes a right little one to make this so sluggish
• I retain, being without energy
• Lack of inclination to move from train that's out of order
• Admonish
• I earn it from a sort of selling
• Tendency not to act
• Top wine waiter's pointless and muddled, showing sluggishness