How "lie detector test real shock" works: Put your finger on the lie detector fingerprint scanner. The polygraph lie detector test will performance if you are telling the truth or lying. Prank friends by fake the result if you want. If you dont manipulate the lie detector test, the result will be performed automatically. Tell them everything depends on your finger scanned on the fingerprint. If you want to prank your friend, hack the result to prank your friend by pressing the "truth" or "lying" lights off before your friend put his finger in the fingerprint scanner. This polygraph is not a lie detector test real. This polygraph test is based on a game. Tell your friends this is a lie detector real test, and you can find if they are saying the truth or lying.