Is ingenious too strong a term?

[Holmes]

 

[John Cuthber]

"Is ingenious too strong a term?"
yes

[dimreepr]

It's an oversized fence strainer.

 

[exchemist]

14 hours ago, Holmes said:

 

What's to stop it pulling the other tree, the one used as the anchor, out of the ground instead? Or do they carefully select a tree that they think is more firmly embedded than the stump?

Of course, there are other methods nowadays: