Possible Clues:

• One of a circus clown's props
• High-walking performer's pole
• Wader has to keel over after sun
• One of a pair of a carnival entertainer
• Clown's walking stick
• Elevation device in a flood-prone area
• What might help someone get a leg up?
• Stiff and pompous journalist withdraws support
• It makes a clown taller
• It can make a clown 10 feet tall