different between sippers vs zippers

sippers

sippers From the web:

• what are slippers used for
• sipper means
• what are port sippers
• what are champagne sippers
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• what is the purpose of slippers
• what are slippers for

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zippers

zippers From the web:

• what zippers does prada use
• what zippers does chanel use
• what zippers does burberry use
• what zippers does gucci use
• what zippers does patagonia use
• what zippers does moncler use
• what zippers are the best
• zippers meaning