Possible Clues:

• Dithering Tories' rule vacillating
• Hesitating, I slip when lifting very old instrument
• Showing hesitation that could make one loser? True
• Uncertain rules I tore in pieces
• Weak bishop that is free without
• Indecisive Tories rule shambolically
• Tories rule in unsettled fashion, lacking clear purpose
• Blowing hot and cold
• Hesitant — Tories rule (anag)
• Aussie vehicle seen underneath crashed lorries? That's doubtful