| |  | | I found one whose tube feet were still pretty active, and I'd seen a few sea palms with mussels on their holdfasts earlier, so I carried my friend along until I found another enmusseled sea palm. Then I applied A to B, to see what happens. 
 Interestingly the arms as a whole don't seem to do anything. It was all about more and more tube feet coming into range to grab on.
 
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