[ Yachi returns the thumbs up involuntarily, before remembering about the whole blindfold thing and claps her hands together so he can hear her support instead.

Nothing more for her to do here than to cheer the idea on. ]

The buoyant force will help you along to, so I'm sure it would work, even if it's short distances at a time! It wouldn't be a bad idea to take breaks every once in a while so you don't tire either!