2.a. Even when the activities mentioned in paragraph 1 above are permitted on Shabbath (in the circumstances set out below), it is forbidden to use an instrument or a utensil specially designed for the purpose, such as a mincer, a mortar, a pepper-mill or a grater.
2.b. This is so despite the fact that one may intend to eat the food immediately after it has been prepared.
2.c. One should also not use a large knife specifically intended for chopping up food into small pieces.
3.a. One may not, on Shabbath, use a vegetable chopper consisting of a set of blades which are fitted with springs and revolve around an axis, thereby chopping the vegetables very thoroughly.
3.b. One may use an egg slicer consisting of a set of equally spaced wires or blades arranged in a frame, which are pressed down onto an egg lying in a suitably sized depression, in order to cut it into slices.
