I'll give it a go...

Personally, my curiosity just ran out.

Looks painful for both!

This picture is giving me a headache trying to figure it out.

Perhaps the person on the receiving end is seriously bitten by the rodent.

One amazing condom

Fantasy art work

Not an instrument of torture: it's too ornamented for that.

Powder horn for early guns?

That's the Olinger Nukular Strapon Dildo XL5 model.