Historical clue formulations

• Bantu ___ (hairstyle) — 2026-02-06
• Speedboat's speed — 2025-11-28
• Ties that are hard to untie — 2025-10-20
• Sailor's speed — 2023-02-21
• They may be hard to untie — 2021-02-08
• Gut feelings? — 2020-11-20
• Units of nautical speed — 2017-06-12
• Units of nautical speed — 2014-11-11
• Clove hitch and sheepshank — 2014-09-14
• Speed units for seafarers — 2013-11-19
• Shoelace problems — 2013-07-29
• Speed units — 2013-01-25
• Nautical measure — 2008-12-14
• Sheepshanks, e.g. — 2008-10-01
• Word that can follow the starts of 17-, 23-, 51- and 59-Across — 2007-06-12
• Tough posers — 2006-11-18
• Pretzels, basically — 2006-07-12
• Comb stoppers — 2006-01-03
• Sailor's speed — 2005-04-15
• Granny and Windsor — 2005-03-03
• Stomachs may be in them — 2003-04-22
• Ship speed units — 2001-11-26
• Sailor's expertise — 2000-04-19
• Difficult problems — 1999-12-24
• Speed units at sea — 1996-10-15