Anyone who participates must sign a waiver of Liability each year. Those who are over 18 do this when they sign in. Those who are under 18 must have their waiver signed in advance by a parent or guardian. The waiver can be found here: https://docs.google.com/document/d/1FOnBOQhjiNsgL7Zqb3qOcR76I5CSXeTcf6CwOtVnE34/edit?usp=sharing