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The Shechitah Knife: Difference between revisions
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===Glowing Hot Knife=== | ===Glowing Hot Knife=== | ||
# A knife that is heated till it glows (incandescent) may not be used, as the heat from the sides of the blade burns the simanim before the blade finishes severing them, resulting in a piercing instead of a shechitah. The meat would be prohibited on a Torah level. Some are lenient bediavad if the shochet was aware and maneuvered the knife in a way that avoids the sides touching the simanim, but the halacha follows the strict view. Some say the minimum temperature of the metal is Yad Soledet Bo.<ref>Simla Chadasha 9:1</ref> | # A knife that is heated till it glows (incandescent) may not be used, as the heat from the sides of the blade burns the simanim before the blade finishes severing them, resulting in a piercing instead of a shechitah. The meat would be prohibited on a Torah level. Some are lenient bediavad if the shochet was aware and maneuvered the knife in a way that avoids the sides touching the simanim, but the halacha follows the strict view. Some say the minimum temperature of the metal is Yad Soledet Bo.<ref>Simla Chadasha 9:1</ref> | ||
===Non-Kosher Knives=== | |||
===Knives Used for Idolatry=== | |||
# One may not benefit from tools used to worship an idol, therefore, the knife used to slaughter animals for idolatrous sacrifices is prohibited from benefit. That said, killing a healthy animal is arguably more detrimental than it is beneficial, as the animal is no longer alive to grow or work. A dead animal is only good for its meat and entails a necessary loss. Similar arguments could be made for birds. As such, shechting a healthy animal or bird with a knife used for idolatrous activities is permissible, because causing a loss is not considered benefit. However, a sick animal may not be shechted with that knife, as that would be considered an improvement. Some argue the same is true for a very violent or high maintenance animal that comes at a loss to its owner or if the price of meat is higher than the price of the animal it comes from.<ref>Simla Chadasha 10:1</ref> | |||
# If the knife was used to cut wood which was then used for idolatry, then it's permissible. It's only considered a knife of Meshamshei Avodah Zarah when the idol is finished with the knife or sacrifices are slaughtered with it.<ref>Simla Chadasha 10:2</ref> | |||
# A sick animal slaughtered with a knife of Meshamshei Avodah Zarah is entirely prohibited from benefit until one throws away enough meat the value of which is equal to the cost of shechting with it. If there aren't any more knives avaialble, then the cost of shechting must go up.<ref>Simla Chadasha 10:3</ref> | |||
==Crafting a Shechitah Knife== | ==Crafting a Shechitah Knife== | ||
Modern day shechitah knives are commonly rectangularly shaped to facilitate shechitah without issues of chaladah and derasa and made with easy to sharpen steel that maintains its edge to minimize pegimot. | Modern day shechitah knives are commonly rectangularly shaped to facilitate shechitah without issues of chaladah and derasa and made with easy to sharpen steel that maintains its edge to minimize pegimot. | ||
