Possible Clues:

• Waver between various options, developing local site
• Waver so, till ace is deployed
• Swing like a pendulum
• Twisted coils formerly used for swing
• Seesaw in local site vandalised
• It's a cello arrangement for swing
• Old flower the heartless move from side to side
• Turned very worried, going to block or to swing
• O, counsel got sick befoe tea- enough to make him shiver
• Rock that's very big. Black and extremely touchable