Historical clue formulations

• Clear, in a way — 2024-12-01
• Open, in a way — 2022-10-26
• Use a snake on, say — 2021-03-16
• Get moving again, in a way — 2009-08-16
• Clear — 2002-07-18
• Open, in a way — 2002-01-24
• Clear, as a drain — 2001-12-24
• Clear, as a drain — 1997-12-15
• Clear — 1995-03-05