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[hone of Maurice Celis, owner of Ardennes Coticule]
layer: "La Dressante"
extracted: Coticule Mine at Regné.
size: rectangular hone: 4cm X 17.5cm.
speed with slurry: very fast (range: very slow - slow - moderate - moderately fast - fast - very fast)
speed with water: moderate (range: very slow - slow- moderate)
slurry: a clear sensation of fine abrasion, typical sound of "sharpening steel" Slurry turns black after a few strokes.
water:a very faint sensation of abrasion.
Slurry specifics: good slurry release, yet this hard stone requires some extra pressure while rubbing.
Sharpness level coming off slurry: ++ (range: + shaves my armhair barely, ++ shaves my armheir well, +++ sufficient to shave my face)
Finishing properties, water only: excellent. Leaves a keen, slightly crispy edge. Fairly fast edge refinement.
Dilucot: follow standard procedure.
Unicot: follow standard procedure.
Touch-up hone, use with water: excellent touch-up properties. For the typical fineness of a Coticule, this specimen offers steady steel removal when used with water only.
Additional remark: this hard Coticule works very well on razors, and is equally suited for honing other tools as well.