"Three members from each tribe would be strapped to a large wheel. Three other tribe members would spin the wheel, which would cause one strapped in castaway at a time to be dunked head first into water. While under water, the castaway would take water in the mouth, which they would then spit into a tube. Once the tube was filled, a ball would be released. The ball would be used by two other tribe members to break five tiles. The first tribe to break all five tiles would win." ~ @SurvivorWiki
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Proceed to tribe events.