Harry Palmer uses the leather wrist restraints to lacerate his wrists - the pain enables him to resist being involuntarily hypnotised. The next time he is woken roughly by the guards for another hypnosis session, his wrists are unmarked. Harry Palmer uses the leather wrist restraints to lacerate his wrists - the pain enables him to resist being involuntarily hypnotised. The next time he is woken roughly by the guards for another hypnosis session, his wrists are unmarked.
In the scene where Palmer raids the factory in search of Radcliffe, he summons a Land Rover to break down the warehouse door with a silent wave of his hand, but the Land Rover appears from behind a corner and therefore could not have seen him.