The whole gravity weight explanation rewired my brain honestly. When he played back the wobbling shuffle sound I rewound it three times to hear it myself. Fukunaga's fake gunpowder smudge on top of that and you have a perfect psychological double play. And then Nao's realization at the end flips everything. This show at 6.39 on MAL is criminal when stuff like this gets a 9. I hope the finale sticks the landing because this was the best episode of the season