The title says it all. Check this out. It's a hollow, stretchy dildo that you insert large egg-shaped suppositories through. It's supposed to be like being impregnated by an alien or something, if you want to use your imagination with it. I just think this could be very fun for anyone who is into suppositories, and could possibly get more people interested in them who would not have been interested otherwise. I have never tried suppositories, myself. I'm more of an enema and dildo/ butt plug person. But this caught my eye. Maybe I will try it one day.
https://www.primalhardwere.com/category/ovipositors
I have no affiliation with the manufacturer.