You could also use the Oralee Vibe and offer your partner a more intense vibration sensation while you're down there. The Oralee is designed to be placed right in the corner of the mouth. It's shaped for comfort and offers 5 vibration modes. When not in use, simply use the USB cable for charging. The premium silicone material is odorless and tasteless, and sterilizes easily. The Oralee is also waterproof and travel-ready.
All prices are in USD.