Hey, so I've had a massage from Anthony and he now offers a 4 hand one with his partner. https://rentmasseur.com/LatinAllStars
I've had a 4 hand with https://www.masseurfinder.com/massage-therapists/38485/ and his partner. It was fun, less massage though.
Some of the masseurs say they do them in their profiles. Others will do them, you just have to ask