Best positions for sex machine?

Me and my husband recently bought a hismith sex machine. We’ve only tried it a few times and it’s taking awhile to get used to. Looking for position ideas, the way we have it is set on an end table that is the exact same height as our bed. So far we’ve been flat on our backs

For him we have the fleshlight type attachment as well as he might wanna try anal penetration with it and then me just vaginal penetration

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