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How to replace the sanitary napkins for sex education with real mm sanitary napkins?
1, ordinary sanitary napkin: just tear off the adhesive tape below and stick it in the middle of underwear.

2. Butterfly sanitary towel: Tear off the adhesive tape in the middle and paste it in the middle.

After the upper "wings" are torn off, they are pressed outside the underwear and fixed, and the rear "wings" are fixed at the bottom of the underwear to prevent the sanitary napkin from moving.