Finally, I voluntarily and knowingly agree to protect, hold harmless, and indemnify the ASC and TEXO, its representatives, officers, advisors, employees and agents against all claims, demands, or causes of action for property damage, personal injury, or death, including defense costs and attorney's fees arising out of my participation in this activity, whether caused by the sole, joint, comparative or concurrent negligence or gross negligence of the released parties or others. *