did with mirrors

Verb

do with mirrors (third-person singular simple present does with mirrors, present participle doing with mirrors, simple past did with mirrors, past participle done with mirrors)

1. (idiomatic, transitive) To perform a magic trick or produce an optical illusion with the use of hidden mirrors, implying trickery and sham.
2. (idiomatic, transitive) To do something as if by magic; a joking explanation of the fantastic or the unexplained.