Both tribes will use stepping poles from one platform to another. All must swim out to top of tower with both feet above top deck wins immunity.
Yeah, it doesn't make sense to me, either.
Airai just uses one pole, but Pavati fell and had to return to the start. Even having to go back, they succeeded and won immunity.
We'll see if Tracy's plan comes to fruition as Malakai is headed to tribal council.