https://twitter.com/SpaceX/status/1601839898218008577?cxt=HHwWgsCohdG58LosAAAA

@ T 00:11:26

What is that rolling across the top of the thruster?

@27:19/1:10:34 in the vid

Lasted a rocket ride to space, then decides to peel off later?

It "rolls" off and doesn't float away.