Glentoran's Andy Smith, the former Sheffield United striker, fired across goal and wide before forcing goalkeeper Paul Gallacher into a good block after springing the offside trap.

BBC: Scottish second string win

Moments later, MacDonald beat the offside trap to round Pernis and shoot for goal, but Paul Dixon had tracked back and cleared the ball off the line.

BBC: David Goodwillie

Neuroscientist Paul Zak, author of The Moral Molecule, has studied the trust trap extensively at the Claremont Graduate University Center for Neuoroeconomic Studies, and says that we all suffer a hard-wired disadvantage when it comes to identifying well-structured cons.

FORBES: Why Anybody Can Be Conned, Even You