Works but doesn't

Bought these for my boyfriend as he snores like a lumber mill. Sometimes they work, other times it doesn't. I think the position he is in is a huge factor in if they work or not. They also don't stay on very well, I'd say a good 8/10 times he wakes up without them on his nose and finds them in really random places. Might work better for other people, but probably won't buy these again.

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