Related Clues:

• Etta of the comics
• Sculpting medium
• Bartender's 'rocks'
• Hotel freebie
• Play area
• Make absolutely sure
• Screwdriver part
• Croquet setting
• Train locale
• Bar basic
• Harvard ___
• Type of tray
• Rocks, to Isaac on ''The Love Boat''
• It has a chilling effect
• This puzzle's hidden theme