Read the hypothetical below and then describe (i) the issue, (ii) the rule(s), (iii) how the rule(s) are likely to be applied by a court, and (iv) and the likely conclusion.

Johnny and his friends are going to play paintball at Elysian Fields Paintball - an outdoor paintball facility. The facility has several signs conspicuously displayed throughout the facility that read "Play at your own risk". While playing a game of paintball, a large plastic barrier which was not securely fastened to the ground falls on Johnny, causing him to get a concussion. Johnny wants to know if he has a viable claim against Elysian Fields Paintball.