This is a special wooden tool. 

Long ago, people in Mexico used a tool called a macuahuitl. 

A macuahuitl is a special tool used for combat. 

The tool is made of wood. It has sharp blades set into its sides. These blades are made of obsidian. Obsidian is a type of volcanic glass. It can be made very sharp. Some edges were sharper than steel razor blades. 
Warriors used these in different ways. Some were small clubs. Others were long enough for two hands. Some were as tall as a man! The blades were held in place with a sticky glue called bitumen.
In battle, the tool worked like a saw. It was very effective for capturing people. The heavy wood could also knock someone down. However, the glass blades were brittle. This means they could break easily if they hit metal. Because of this, the blades had to be used carefully.
A macuahuitl is a unique weapon from ancient Mesoamerica. 

The weapon works by combining wood and volcanic glass. The main body is a wooden paddle or sword. 
History shows that these tools have been around for a long time. We see them in art from the pre-classic times. They were definitely used during the first millennium CE. Many different civilizations used them across central Mexico. The Aztec and Toltec people are well known for using them. Some versions were even as tall as a man. These large models required two hands to swing. Smaller versions called mācuāhuitzōctli were more like clubs.
Finding real macuahuitls today is very hard. Most of what we know comes from old drawings. 

Understanding the macuahuitl helps us see how ancient people fought. The obsidian blades were sharper than steel razor blades. However, the glass was also very brittle. This means the blades could shatter if they hit metal armor. Because of this, warriors had to use them with great skill. They could use the flat side to knock people down. This helped them capture prisoners instead of just hurting them. It shows how much thought went into their tools.
The macuahuitl is a specialized close combat weapon from ancient Mesoamerica. 

The mechanism of the macuahuitl relies on combining heavy wood with sharp volcanic glass. The body of the weapon is a wooden paddle or sword. 
Archaeologists identify different types of these weapons based on their size and design. One version is the standard macuahuitl, which is about one meter long. This version typically has six to eight blades on each side. A second, smaller version is called the mācuāhuitzōctli. This version is more like a club and is about 50 centimeters long. It only features four obsidian blades. Some large models were designed for two-handed use and could be as tall as a man. Other models were rectangular, ovoid, or even pointed in shape.
History shows that these weapons have been used since the first millennium CE. Art from the pre-classic times also shows their existence. Many obsidian tools were used by early Mesoamericans, including knives, scrapers, and arrow points. The Aztec civilization used obsidian from mines like the Sierra de las Navajas. This area was named the "Razor Mountains" because of its many obsidian deposits. During the Spanish conquest, some indigenous people served as Indian auxiliaries. While they used the macuahuitl, many preferred Spanish metal swords for the prestige they provided.
Because the macuahuitl is so fragile, very few authentic specimens survive today. One famous example was kept in the Royal Armoury of Madrid. However, a fire destroyed that specimen in 1884. Another specimen was recovered during 20th-century excavations in Mexico City near the subway construction. 
The effectiveness of the macuahuitl is a subject of great interest. Historical accounts from Spanish conquistadors claim the weapon was powerful enough to decapitate a person or even a horse. 
The design of the macuahuitl also reflects the specific goals of Mesoamerican warfare. For groups like the Aztecs, capturing live prisoners was often more important than killing enemies. The elite cuāuhocēlōtl warriors needed to take 20 live captives to advance in their society. The macuahuitl could help with this goal. The spaced blades could limit the depth of a wound. Additionally, the heavy wooden side could be used to club an opponent unconscious. In Aztec schools, children even practiced with un-bladed versions to learn these skills.
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