Well, if you're adamant that you're not gonna let her stick it in your ass, you could see if she's up for having both ends all to herself while you control it.

On the upside, you'll no longer have any problems with constipation.

So? Say no and move on

That's the thing about communication. May be a fantasy of hers. However, it's not for you. Let her know and keep looking for something else. Also don't make her feel bad about being into something like that. Yes its taboo, but some people like it. Making someone feel bad about expressing something new can make them keep to themselves. Good luck

Also, double-edged? I don't think that means what you think it means.

Saddle up, pardner.

I think you mean double headed. Either way there will be some bleeding

So you find it weird? Then why do guys expect chicks to enjoy something up their bum?! 🤦🏽‍♀️

Many heterosexual couples have toys that are used on the man. Pegging is a real thing and many men find it pleasing.

At least you did not run into her parents while discussing the toy.