Related Clues:

• Snake's posture, sometimes
• Emulate a snake
• Form rings
• Slinky, essentially
• Thing to wind
• Wind around
• ". . . shuffled off this mortal ___"
• Prepare to strike, snake-style
• Heating element
• Mortal ___
• Heating device
• Mattress spring
• Corkscrew shape
• Store, as a hose
• Curl up