Is it a sin for a man to engage his two wives in a threesome- man inquires from OAP DaddyFreeze

OAP and leader of Free the Sheeple movement, DaddyFreeze, has sought for public input after a man slid into his DM to ask a rather intriguing question.

The man asked if it is a sin for a man with two wives to engage in a threesome with his wives. DaddyFreeze says he has no scriptural backing to support or go against the idea and came online to ask for help. See the man’s message and Daddy Freeze’s comment below