Seeing that, Charlie finally had a fair idea of how it all worked.
As he took objects outside, the nearest tip of the object must not exceed sixty feet from himself.
So if it was something like a 150-foot-long log, the far end can be as far as 210 feet, while the nearest must remain within sixty feet of him.
If the logs were replaced with a massive steel dome 150 feet in diameter, the dome's maximum coverage distance would reach 210 feet too.
But what if it were a giant steel pot instead? M