For more tips on partner play with a clit sucker, like the Smile Makers' The Poet (£119), Engle has a short step-by-step guide for a stronger orgasm from your partner.
"Place the toy on their clitoris during oral. Your partner can use their tongue to stimulate the rest of your vulva, licking the labia and gently teasing the vaginal opening, and even try penetrating you with their tongue. All of this helps to awaken the nerve endings in their clitoral network, greatly intensifying pleasure. They can hold their hand at the bum with a palm grip and use that hand to create a strong anchor to stay connected to your body and use the pc-muscles to unlock orgasmic energy."