Of course, few people would actually consider inserting things like loaded guns and fireworks inside their vaginas.
Hilda Hutcherson, board-certified OB-GYN and gynecology professor at Columbia University, your main concern when considering items other than penises, fingers and sex toys is using objects with a smooth, nonporous surface, no sharp edges, no irritants and nothing that would degrade a condom.
An Approved List of Things That Can Go Into Your Vagina
You can improve your safer sex practices by wearing latex gloves easily purchased in drugstores and adding lube.
Penises are allowed to enter mouths, vaginas and buttholes.
Description: If you are into temperature play using hot or cold objects as part of the sexual experience , avoid putting ice directly into your vagina, as it can stick to your delicate skin.