Do you know what this was used for?

Photo by Nienetwiler, via Wikimedia Commons, licensed under CC BY 2.5 CH.

Take a look at the tool above.

At first glance, it looks like an odd cross between a knife and an axe. But before chainsaws, sawmills, and power tools became common, this simple hand tool helped build homes, barns, fences, and even entire villages.

It’s called a froe (pronounced fro).

The question is: Do you know what it was used for?

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A Tool That Splits Wood—Without Chopping It

Unlike an axe, a froe isn’t designed to cut across the grain of wood.

Instead, it’s used to split wood along its natural grain, a process known as riving. The blade is driven into the end of a log with a wooden club or mallet. Once embedded, the user twists the handle, causing the wood to split cleanly along the grain.

Because the wood follows its natural grain, the finished pieces are often stronger than boards sawn through the grain.

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What Was It Used For?

A skilled craftsperson could use a froe to produce:

• Wooden shingles (also called shakes)
• Fence rails
• Barrel staves
• Clapboards for houses
• Basket splints
• Furniture parts
• Firewood and kindling

For centuries, these items were essential on farms and in rural communities. Before lumberyards were widespread, many families made what they needed directly from trees growing on their own property.

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Why Not Just Use an Axe?

An axe is excellent for felling trees or rough splitting, but it can be difficult to control.

A froe, on the other hand, allows the user to start the split exactly where they want it. By gently twisting the handle, they can even steer the split as it travels through the wood. This made it ideal for producing straight, uniform pieces like roofing shingles or lath.

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The Secret Was the Wood

A froe worked best on green (freshly cut) wood, which splits much more easily than seasoned lumber.

Species like white oak, cedar, chestnut, and cypress were prized because they naturally split into long, straight pieces. This made them perfect for durable roofing shingles and fence rails.

Some traditional woodworkers still use froes today to create historically accurate buildings, hand-rived shingles, and green woodworking projects.

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An Ancient Technique That Still Works

The basic design of the froe has changed very little over hundreds of years.

It has no engine, no electricity, and almost no moving parts—just a steel blade and a wooden handle. Yet in skilled hands, it can transform a rough log into useful building materials with surprising precision.

It’s a reminder that many of the tools our ancestors relied upon were beautifully simple and incredibly effective.

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Did You Guess It?

If you recognized this unusual tool, congratulations—you know a piece of woodworking history that many people have never seen.

If not, you’re not alone. The froe has largely disappeared from everyday life, but it remains one of the most ingenious hand tools ever developed for working wood.

Have you ever seen or used a froe? Or do you have another old mystery tool you’d like us to identify? Let us know in the comments!