Historical clue formulations

• Plastic-like clogs — 2020-12-16
• Shoes that are also water hazards — 2019-04-20
• Branded footwear with open backs — 2017-03-05
• Branded footwear — 2015-05-10
• Brand of colorful footwear — 2015-03-19
• Long reptiles, in short — 2004-03-30
• Big reptiles, informally — 2000-07-26
• Swamp swimmers — 1996-03-10
• Swamp critters, for short — 1994-07-17
• Gators' kin — 1993-12-04