Jimmy nods, watching one of the aforementioned backwards swimmers, trying desperately to go the other way. ".... Not that there's a lot of dust to leave people in, sometimes." Maybe Jimmy's lucky in that he only has to worry about which way the forward propulsion is pointing. (And not thinking about what everything probably was last week.)

"If you wanna go get that, I'll stay here and practice?" Which mostly means 'Small thrusts forward and dragging his tentacles in the sand as makeshift brakes' but it's a start.