This are great to tighten up loose face masks
These little doobers are great to make face mask ear loops adjustable - even ones that are already sewn in place. They can be tricky to put on at first, but just watch the video at the top of the page and you'll get the hang of it in no time. Just remember, pass the threaded needle in through the little hole, out through the big hole, then loop the threaded needle through the ear loop, the needle & thread go back in through the big hole, then out through the little hole, grab both out-going threads, and gently pull the ear loop through.
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