How can you sneak a metal through a meatal detector without being detected?

you cant, to do so would require you to insult the metal in something that excludes magnetic fields.

a metal detector creates a rapidly oscillating ,magneting field which induces electrical currents in the metal to oppase the changing magntic field. this creates a force on the object creating the magnetic field. this force is detected indicating the prescence of metal

there is actually a way..you take polo boots bt they have to have fur in it..u put ur fone on airplane mode and put it in your boots and it will work