there used to be a show on discovery called monster house...they had several man cave style innovations..
one was a bank air tupe system so the wife could send the beer bottle directly across the house and next to his recliner...
Another episode they actually made a room a cave with chicken wire formed frames and spray foam and paint..
And yet another that they did a nascar kitchen where all the cabinetry was craftsman tool boxes and a pneumatic air hose system that was actually a condiment dispenser...this could be an interesting way to store e-
juice
Back on the stripper pole concept...fireman's pole that doubles as a stripper pole ala a trapdoor..
I think these may be key in a proper man cave, along with vast amounts of diamond plate..my last landlord thought no so much...thankfully that place burned down and I got my deposit back anyway