Related Clues:

• Shape of a corkscrew
• Does one get around to turn the French up before one tears it?
• Rotini's shape
• Cochlea shape
• April's wild wind
• April's turning out to be spring-like
• Wind round Paris rocked last bit of Eiffel's structure
• The continual round of wage increases?
• Move in well-connected circles
• Staircase with rails winding around post
• Formation of tornado in southern April storms
• Winding like a thread
• Sort of staircase (could be vicious?)
• Staircase shape
• Helical shape