Is it dangerous to get sand in your vagina?

My girlfriend wants to go to the beach, but her bikini is too small and if we're going to be active in the sand we want to make sure there's no danger in getting a few grains in there. I think I saw a movie where a woman poured buckets of sand down her underpants and she was fine, so I'm hoping it works... show more My girlfriend wants to go to the beach, but her bikini is too small and if we're going to be active in the sand we want to make sure there's no danger in getting a few grains in there. I think I saw a movie where a woman poured buckets of sand down her underpants and she was fine, so I'm hoping it works like that.
Update: We were just going to play volleyball...
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