Historical clue formulations

• Start to take off, in a way — 2018-12-30
• Loosen, as a corset — 2006-12-05
• Loosen — 2006-01-27
• Prepare to slip out of, perhaps — 2002-08-23
• Loosen, in a way — 2002-01-16
• Loosen, in a way — 2002-01-10
• Loosen, in a way — 2001-05-06
• Loosen, as a 37-Down — 2000-09-15
• Loosen, as a corset — 1996-09-19