Many tried to guess what it was… But the answer turned out to be completely unexpected. 😮 These kinds of riddles always spark interest and discussion. Try to guess for yourself. 👇 👉 The answer is in the comments. 👇👇

 

No one could guess what it was until the answer was finally revealed.

An ancient and mysterious object at first glance, it intrigues, appearing as a medical tool, a precision instrument, or a forgotten curiosity. Yet, it is a technical tool whose function becomes clear once revealed.

No one could guess what it was until the answer was finally revealed. At first glance, this ancient object seems almost incomprehensible. Is it a medical tool? A precision instrument? Or a forgotten collector's item? Yet, behind its intriguing appearance lies a very specific tool, used for generations in a highly technical trade. And once its function is understood, everything suddenly becomes clear.

The name of this tool has finally been revealed

This is a glass cutter, also known as a glazier's glass cutter. More specifically, the model shown is a Shaw (England) glass cutter, designed for precisely cutting thin panes of glass.
The inscription "SHAW ENGLAND" is visible on the metal head, along with a rotating scale graduated from 1 to 6. This detail identifies it as an old professional tool used in glass workshops.

What exactly is the purpose of a glass cutter?

Contrary to what one might think, this tool doesn't "cut" glass like a knife cuts food. It actually creates a line of weakness on the glass's surface.
This fine incision creates a zone of vulnerability. Then, controlled pressure is all that's needed to break the glass cleanly along the line. It's a precise movement that requires skill and a steady hand.

How does this tool work in practice?

The way it works is both simple and ingenious:

1. First, we measure and draw the cutting line on the glass.
2. Next, a ruler is used to guide the movement.
3. The glass cutter is held upright, then slid across the surface with even pressure.
4. A single continuous line is sufficient, without going over it multiple times.
5. Once the scratch has been made, the glass can be broken cleanly by hand or with the help of suitable pliers.

An essential tool in glassmaking

Glass cutters are used in many areas related to glasswork. They are found in particular for:

• cutting window panes
• the manufacture or repair of frames
• small carpentry and workshop jobs

It is an indispensable tool for obtaining clean and precise cuts on thin to medium-thickness glass. The  antique glass cutter  thus remains a standard in specialized workshops.

An old tool, but still used today

This type of glass cutter has existed since the 19th century, when wheel-type models began replacing older diamond-pointed tools. These new versions were simpler to use and, above all, more affordable.
Over time, the design has changed little: a wooden handle, a metal head, and a rotating wheel. This combination of simplicity and efficiency explains why this tool is still used today in some traditional trades.

Why is this object so intriguing?

What makes this tool so fascinating is precisely its mysterious appearance. Without context, it's difficult to imagine its function. But once explained, everything becomes clear: each element has a specific role in the glass-cutting process.
It also serves as a reminder of how enigmatic some everyday professional objects can seem when removed from their original context.

Ultimately, behind this mysterious object lies an ingenious tool, discreet yet essential in glasswork for generations. The  traditional glassmaker's tool  still bears witness today to the artisanal know-how passed down through time.