It's an arrow that points in one of two directions. I can not think of a single way this could be made insecure. Even if someone was able to influence the direction the arrow was pointing, everyone is still going through the same ineffective screening process.
It's an arrow that points in one of two directions. I can not think of a single way this could be made insecure. Even if someone was able to influence the direction the arrow was pointing, everyone is still going through the same ineffective screening process.