Ask a spectator to name any card! It’s that simple, yet the reaction that you will get when you perform this miracle will be shocking. Created by Kenton Knepper, Kolossal Killer is an easy effect that you can carry around with you. After having them name their card, you can easily prove that you have correctly read their mind when you pull out a single card from your (ungaffed) wallet.Watch the spectator gasp in amazement!