Sweep
Wolverine ties a towel around his forehead and takes out his fingers instead of his claws so he can sweep the floor clean. When Wolverine fights, his claws are out and he makes a big ol' mess. But once the fighting is done, it's time to get to work and sweep the mess up.
そう
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Wolverine knows that sweeping is good for the soul (そう). Plus, if you don't help clean up after you defeat bad guys, you're just as bad as them. Sweeping up the mess cleans your soul of any guilt too!