Give me ideas for what to stick suction cup dildo to?

Would like to “double stuff” my wife, using the dildo we recently got (which has a suction base)…

But I am at a loss for ideas for what to stick it *to*! My best idea was like a saucer (dish), but I fear we’d end up breaking that…

I’m thinking the dildo would have to be on the floor for this, but I welcome other suggestions!

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