this review title is: life saver and the content is: i wasn t even aware of the lock feature but now i don t think i could live without it wand heats up quickly and does not snag or tear my hair i also have a mixed daughter who s hair i straightened and it took way less time than anything we have tried before.there are other information for this review, one is this reviewer did not purchase it and the other is 0 people think this review is helpful.