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Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure
Cattle horn is a natural thermoplastic: heated in boiling water it turns soft and pliable, and when it cools it locks into whatever shape it was pressed into. For centuries this made horn the ideal material for spoons, cups and combs — cheaper than metal, tougher than wood, and safe against food. This blueprint makes a traditional horn spoon by hand: saw a section from a cow or ox horn, boil it soft, open it flat, cut the spoon blank, press the bowl over a wooden former, and finish it food-safe with a beeswax polish.
中級者
5
手順
1
1
Choose and saw a horn section
Choose and saw a horn section
Pick a clean cow or ox horn. Saw off the solid, curved tip (it has no cavity and is discarded or kept for handles) and saw a length of the wide, hollow part of the horn to become the spoon.
このステップの材料:
牛の角1 個必要な工具:
手のこぎり2
2
Scrape and clean the horn
Scrape and clean the horn
Scrape away the rough outer skin and any membrane inside the cavity with the knife, so the horn is clean and its natural translucency shows. This is the working stock.
このステップの材料:
牛の角1 個必要な工具:
ナイフ3
3
Boil the horn until soft
Boil the horn until soft
Simmer the horn section in a pot of water for 20 to 30 minutes. As it heats, the keratin softens and becomes pliable and slightly translucent — like thick leather. Keep it fully submerged and hot.
このステップの材料:
水4 リットル牛の角1 個必要な工具:
大きな金属鍋4
4
Slit and open the horn flat
Slit and open the horn flat
Lift the hot, soft horn out and quickly slit the tube lengthwise with the knife. Unroll it and press it open into a flat sheet while it is still pliable — work fast, it stiffens as it cools.
必要な工具:
ナイフ5
5
Press the sheet flat and let it set
Press the sheet flat and let it set
Clamp the opened horn flat between two boards in the bench vise and leave it until fully cool. Horn keeps whatever shape it holds while cooling, so it sets as a flat plate.
必要な工具:
万力（ベンチバイス）6
6
Mark out the spoon blank
Mark out the spoon blank
Draw the spoon outline on the flat plate — a rounded bowl at one end flowing into a straight handle. Choose the thickest part of the plate for the bowl so it can be dished without going too thin.
必要な工具:
ナイフ7
7
Cut out the blank
Cut out the blank
Saw and cut around the marked outline to free the flat spoon blank from the plate. Leave a little extra material outside the line for final shaping.
必要な工具:
手のこぎりナイフ8
8
Reheat the bowl end
Reheat the bowl end
Dip just the bowl end of the blank back into the boiling water for a few minutes until that section goes soft again. The handle can stay stiff.
このステップの材料:
水4 リットル必要な工具:
大きな金属鍋9
9
Press the bowl over the former
Press the bowl over the former
Press the softened bowl end firmly down over the rounded wooden former (a spoon-bowl-shaped block of hardwood). The horn takes up the concave shape of a spoon bowl.
必要な工具:
角匙の型10
10
Hold on the former until cool
Hold on the former until cool
Keep the bowl pressed against the former — by hand or clamped — until the horn is completely cold. When it releases it holds the dished bowl shape permanently.
必要な工具:
角匙の型万力（ベンチバイス）11
11
Rasp the shape true
Rasp the shape true
Rasp the edges of the bowl and handle down to the marked outline and thin the handle to a comfortable taper. Work evenly so the spoon is symmetrical.
必要な工具:
荒目やすり12
12
Scrape smooth
Scrape smooth
Drag the edge of the knife across the horn as a scraper to remove the rasp marks and bring up a smooth, even surface on both the bowl and handle.
必要な工具:
ナイフ13
13
Polish food-safe with beeswax
Polish food-safe with beeswax
Rub beeswax into the finished horn and buff hard with a cloth. This brings up a soft shine and seals the surface with a food-safe finish — the spoon is ready to use.
このステップの材料:
蜜蝋ペレット1 個必要な工具:
木綿布
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