It's a lot harder when he doesn't have as much fur, or at least not such long fur, and no helpful handholds in the form of colourful bracket mushrooms. But he still has those bony forward shoulders, and with his arms tucked back, she might get ahold of him by an elbow or two (but hopefully not more, as she would have come up with more arms than he actually has.)

But speaking of roller coasters...

This ride also comes with a big drop.

Foster, bounding down the hall, scattering greyliens like mice (or stomping them straight into the floor, they're apparently pretty durable little guys), lands on a weak plate in the poorly-constructed station and

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