I didn't quite understand their meaning, but I bought them anyway. I'm glad I did. You keep your collar up so it doesn't slip down. Easy to use and comfortable, they make you a little more collected.
220 Plastic 👔 Collar Stays for Organized Closet
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🔌 Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
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Stiffs Wurkin: Premium 👔 Assorted Brass Collar for Polished Style
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👔 Revolutionize Your Style with Fashion Anchor Pack Collar Stays
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