Check in to see if they're comfortable.
If you want a little more lift, put a pillow under the receiver's hips.
You can also , too.
Stay on your hands and knees, allowing yourself to be the solo-pleasured partner, or turn the position into a 69 by leaning forward to pleasure your partner with your hands or mouth.
Some lesbians, genderqueer, or trans folks who have a vulva might want to receive oral on their dildo when wearing a strap-on.
This enables your partner to create a lot of suction on your clitoris or fully take your vulva in their mouth.