Pillow
The tree pirate jumps from a tree and attacks you by hitting you with a pillow.
It hurts a little bit, but the fact that tree pirates use pillows as their weapons is a bit anticlimactic.
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まくら
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As he hits you with his pillow he makes a demand: "Give me your Mac cooler (まくら). He wants the device that cools down your Mac computer.
You give him your Mac cooler and he goes on his way. He's quite happy he can cool down his Mac, now. The trees are quite warm and he hears this will help to cool down his tree apples.