Historical clue formulations

• Highland wear — 2023-11-10
• Plaid designs — 2020-06-02
• Royal Stewart and Clan Donald — 2017-01-20
• Highlands designs — 2016-07-24
• Clan garb — 2013-09-29
• Some crisscross patterns — 2013-01-11
• Carnegie Mellon athletes — 2007-07-28
• Family identifiers — 2002-02-03
• Striped patterns — 2001-02-10