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Lol. Great questions. Only limits on design are your creativity. Follow the resteem and entry guidelines and after that its anything goes!!!
Thanks for the support and good luck!!

Double sided? Very good question. Id say doesnt have to be but could be worth it if that was what others do. Or if your the only one with 2 sides.... that could be the winning factor. So ill leave that up to the competition and contestants. Working on getting sponsors to make the pool bigger to make it more worth while. Im sure over the next few days a few will come forward.