Ibex 120 with Ratchet Lock - The huge ibex by Robert Herder

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Robert Herder windmill knife, website:
www.windmuehle...
Click here for the Ibex:
www.windmuehle...
Here are a few information texts about Ibex (source: www.windmuehle... )
..."WINDMILL KNIFE IBEX - TECHNOLOGY
The blade of the Ibex windmill knife is locked using a so-called ratchet lock, an improved, safer form of the tenon lock with a back spring and an additional ring for lifting. We still mount the original tang lock on our Lierenaar pocket knife. This type of closure was already found in the 18th century in the historic knife-making places in Belgium - in Gembloux, Aarschot and Lier - where it was common on all kinds of folding pocket knives for a wide variety of applications. Unfortunately, there are no longer any knife manufacturers in these places today.
WINDMILL KNIVES IBEX - THE HADHRAMAUT KNIVES
The blade shape of the IBEX windmill knife pays homage to the Hadhramaut knife, which originated in the Hadhramaut region in northeast Yemen. Historically, the Hadhramaut region was an important center for the cultivation and trade of incense. The inhabitants of this region maintained a long trading tradition and established a well-functioning network in India, East Africa and Malaysia, which was strengthened by family ties of emigrated Hadhramis. Towards the end of the 19th century there was a brisk trade in these knives in this region. The blades of the IBEX windmill knife reflect the history and tradition of this fascinating region."...
Specifications Robert Herder Ibex 120:
Handle material: smoked oak
Handle length: approx. 165 mm
Steel: 1.2067 (alternatively 1.4116)
Blade length: 122 mm, effective cutting edge 118mm
Blade width: 2.1mm
Blade shape: Sheepfoot modified (oriented towards Hadhramaut knife)
Grind: Convex grind with less than 0.3 mm behind the cutting bevel
Weight: 81g
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Jochen