why does a steel bar take the smell of garlic out of hands?

Answer 1

For some reason the minerals mixed with the metal has something in it that works. I use a stainless steel spoon, one of those big ones and after cutting the garlic, I rub my hands all over the spoon. Magic it is.
steel (stēl)
n.
A generally hard, strong, durable, malleable alloy of iron and carbon, usually containing between 0.2 and 1.5 percent carbon, often with other constituents such as manganese, chromium, nickel, molybdenum, copper, tungsten, cobalt, or silicon, depending on the desired alloy properties, and widely used as a structural material.
Something, such as a sword, that is made of steel.

Answer 2

steel has chemicals

Answer 3

works with onions too :)