This Mysterious Chunk of Steel Is Stumping Everyone: 99% Have No Idea What It’s Really For!

to repeatedly drop a heavy steel cylinder onto a post.

In That Sense, It Belongs to a Special Class of Tools

Some designs survive because they solve a physical problem in the most direct possible way.

A hammer.

A shovel.

A pry bar.

A wheelbarrow.

A manual post driver fits naturally into that family.

Its Effectiveness Comes From Basic Physics

Lift the mass.

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