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The Shechitah Knife: Difference between revisions

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The Shechitah Knife (view source)

Revision as of 05:51, 3 December 2023

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# One shouldn't use a scythe or even a double edged knife if one side of it is a scythe. Bediavad if he did it and knows he used the kosher side, it's ok, and if he smoothened out the scythe side then he can use it lechatechilah.<ref>Simla Chadasha 6:2</ref>
# One shouldn't use a scythe or even a double edged knife if one side of it is a scythe. Bediavad if he did it and knows he used the kosher side, it's ok, and if he smoothened out the scythe side then he can use it lechatechilah.<ref>Simla Chadasha 6:2</ref>
=== Invalidating Factors===
=== Invalidating Factors===
# A knife cannot have any nicks in it or be used previously with non-Kosher food or for idolatry. It must not be glowing hot or attached. ''See [[Knives That Cannot Be Used for Shechitah]] for details.''
# A knife cannot have any nicks in it or be used previously with non-Kosher food or for idolatry. It must not be glowing hot or attached to something else. ''See [[Knives That Cannot Be Used for Shechitah]] for details.''
 
===Detached From Its Source===
# Anything sharp attached to the ground or a body may not be used for shechitah until it is detached.<ref>Simla Chadasha 6:5</ref>
# If it was detached and then reattached, one still should not use it regardless of whether he plans to leave it there (which would render the meat prohibited due to the Gemara's uncertainty) or not (which would be invalid on a rabbinic level). If one's intention is unformulated, we can determine based on context.<ref>Simla Chadasha 6:5</ref>
# An animal's jaw with sharp teeth may not be used, as the gaps between teeth are the same as nicks in a knife, but a singly tooth attached to a jaw is fine. Even a single nail on a severed foot would be ok. Some argue that if it's still attached to a whole limb, such as a whole jaw or whole animal foot, that would be considered "attached" to its source of growth.<ref>Simla Chadasha 6:6</ref>


==Crafting a Shechitah Knife==
==Crafting a Shechitah Knife==
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==Checking a Shechitah Knife==
==Checking a Shechitah Knife==
 
===The Need to Check===
# Shechting with a knife that has a nick renders the animal a Nevelah Min HaTorah, as it tears the simanim. Therefore, the Shochet must check his knife before slaughter. A knife cannot be presumed to be free of nicks.<ref>Simla Chadasha 18:1</ref>
# One cannot shecht first and check later for three reasons: he may ultimately forget to check, the recitation of the beracha will be potentially in vain, and one may be mutilating an animal for no reason, which is prohibited.<ref>Simla Chadasha 18:1</ref>
# Taking extra care to guard the knife from nicks is not satisfactory justification to assume it is nick free and not check prior to the next shechitah, due to the fragility of the blade edge. One may only be lenient in extreme circumstances.<ref>Simla Chadasha 18:1</ref>
# Nevertheless, if one did shecht with a random knife and, upon checking afterwards, it was found to be fine, the meat is kosher.<ref>Simla Chadasha 18:1</ref>


==Guides==
==Guides==
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