Historical clue formulations

• Covers for pots — 2026-08-17
• Tops of cups — 2026-06-15
• Tube tops? — 2026-05-11
• Tops — 2026-02-15
• Tops — 2025-10-19
• Hats, informally — 2025-05-08
• Tupperware tops — 2024-07-22
• Over-the-top sorts? — 2023-04-12
• Tupperware stock — 2022-11-19
• Jar toppers — 2022-09-20
• Jar heads? — 2022-07-18
• Tupperware tops — 2022-05-31
• Pot covers — 2021-09-07
• Hats, slangily — 2020-04-05
• Targets for some eye makeup — 2019-10-30
• Elusive Tupperware components, often — 2019-06-10
• Stack at Starbucks — 2019-02-24
• Jar tops — 2018-02-27
• Lens caps? — 2017-08-27
• Coffee shop freebies — 2017-06-23
• Preserves covers? — 2017-06-17
• They open in the morning — 2017-04-21
• Caps — 2015-11-08
• Tops — 2015-07-21
• Hats, informally — 2014-09-16
• Eyeshades? — 2013-04-13
• Tupperware stock — 2011-01-22
• They may be flipped — 2010-07-04
• Caps — 2009-08-30
• Jar tops — 2009-08-24
• Tops — 2009-07-12
• Toppers — 2009-05-31
• They close at night — 2009-02-01
• Seal creators, sometimes — 2008-09-05
• Jar tops — 2007-02-19
• Facial pair — 2006-10-07
• Spending restraints — 2005-10-19
• Eyeball covers — 2004-06-07
• Blinkers — 2004-02-14
• They're the tops — 2003-02-16
• Toppers — 2001-10-28
• Jar tops — 2000-06-26
• Eye parts — 1999-12-14
• Box tops — 1999-10-25
• Tupperware pieces — 1998-05-14
• Eye covers — 1995-11-07
• Pots' tops — 1995-03-07
• Can-opener targets — 1993-11-27