Historical clue formulations

• Cozies keep them hot — 2016-05-16
• Big-eared china — 2010-10-22
• Ones left holding the bag? — 2008-07-11
• Bag holders — 2007-05-18
• Places to put some bags — 2007-04-14
• 4-23-14-10-3-18-25 — 2006-02-05
• Cozy locales — 2002-02-09
• Oolong brewers — 2001-06-11