Related Clues:

• Nightcap's counterpart in a doubleheader
• Church key, e.g.
• Qualifying bout, for short
• Game 1
• Main event preceder, briefly
• Main-event preceder, briefly
• Bartender's gadget
• Event before the main event
• Early game in a tourney
• Unwrapper
• It concludes the off-season
• Tool for taking lid off a can
• For taking the lid off
• A key or a bottle top remover
• Device for accessing contents of tins or bottles