probably the most efficient attempt ever done ..
“Ibrahim Yücel, who is trying to kick a 26-year habit of smoking two packets of cigarettes per day, gives the keys of his head cage to his wife and daughter when he leaves home every day. In this way, he is unable to open the cage to smoke during the day, even if he craves a cigarette”
Read more: Turkish man wears wire cage on his head in attempt to quit smoking