I just thought this would give me a perfect way to cool off from the summer heat, be outside, and practice my poi at the same time. But I'm not even sure if my illumination Idea will even work.
But this will give me something to do anyways. Idea would help. Also, tell major obivious flaws in my idea to me would be good. I can't find many major ones besides weight inbalance and waterproofing. 
Sounds like a great idea.
This may be getting way to complicated but as a suggestion you could have the poi syphon water via flexible plastic tubing from a camel back type affair if you were willing to wear the water tubes up your arms to give you a much longer water supply. Thats moving towards a plastic sock poi to make it worthwhile though.Eagles may soar but weasles don't get sucked into jet engines.
Telepath wanted, you know where to apply.
Cody Canon
Controlled Burn, Reno Nevada
May my balls of fire set your balls on fire 
O.B.E.S.E.
Owned by Mynci!
hope i helped Man is no more than a conduit for excrement to pass through.- daVinci
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Written by: poje
i say instead of water fill em with fuel and have jets of burning fuel coming out of em.......dont ask me if its at all possible but it sounds cool