Historical clue formulations

• Champagne stopper — 2024-02-27
• Flooring that provides good thermal insulation — 2023-06-24
• Bottle stopper — 2022-12-05
• It may pop before a toast — 2022-07-11
• Material harvested for its hydrophobic properties — 2021-01-29
• Bottle stopper — 2017-12-25
• Champagne bottle stopper — 2017-08-22
• Cab stopper? — 2016-11-06
• It's often at the end of a bottleneck — 2015-06-07
• Stop on a wine tour? — 2014-08-03
• Popped topper — 2014-02-03
• One may pop on New Year's Eve — 2014-01-21
• Blarney Castle's county — 2013-11-28
• It's popped on New Year's Eve — 2009-11-09
• What you might push a pushpin in — 2009-03-26
• Bottle part that goes "pop!" — 2008-06-16
• Fishing float — 2008-02-26
• *Angler's float — 2007-03-13
• Something to pop — 2006-05-21
• Stopper — 2005-09-28
• Stop up — 2005-08-05
• Stop — 2004-12-01
• Party popper? — 2004-05-05
• Stop at a vineyard — 2004-03-14
• Stopper — 2000-01-23
• New Year's popper — 1999-10-20
• Stopper — 1999-07-11