I would avoid doing so as there’s no direct scholarly opinion on this but similar things have been prohibited. There’s other ways to arouse your spouse and naturally. There is also a way to go about having sexual relations and intercourse in Islam: Here (generally). As for the slapping it is not permissible as hitting someone on the face is not permissible (here. If you’re slapping not on the face i’d still not do so because slapping can be hurtful and still is technically hitting which no man should be doing to his wife even if she asks.