Historical clue formulations

• Court surface for the French Open — 2025-06-09
• Material used to make the object "illustrated" here, in a seasonal song — 2025-01-01
• Singles material, say — 2024-05-04
• Court material — 2022-09-28
• French Open court material — 2020-04-01
• Pot-making supply — 2018-02-16
• Molding medium — 2018-02-07
• Modeling medium — 2017-04-29
• Adobe material — 2016-11-28
• Body, metaphorically — 2016-05-15
• Medium for cuneiform writing — 2015-12-13
• Potter's base — 2013-11-03
• Molding material — 2013-07-28
• Potter's supply — 2012-12-07
• Pottery base — 2011-07-17
• Ali, before he was Ali — 2011-03-15
• Ali, before he was Ali — 2010-11-22
• It's molded — 2010-03-14
• Adobe material — 2009-01-25
• Grass alternative — 2006-12-01
• Potter's medium — 2006-10-16
• Pot composition — 2006-01-31
• Modeler's need — 2006-01-22
• *Trapshooting ... Ali ... kiln — 2002-05-23
• Potter's supply — 2001-12-25
• It might crack after getting fired — 2001-04-13
• Kind of pot — 2001-03-15
• Like some pots — 2000-12-08
• Sculptor's purchase — 2000-05-24
• Modeling material — 1999-08-04
• Kind of court — 1999-07-07
• Brick material — 1998-01-13
• Modeler's medium — 1996-06-30
• Some soil — 1995-07-29
• Nursery school item — 1995-07-09
• Potter's material — 1995-05-03
• Like target pigeons — 1995-03-06
• Ali, once — 1994-04-26