Some people have criticized this piezoelectric gas lighter require some force to get a spark but for those who lignorent this is inherent in the principle. "The piezoelectricity (from the Greek, piézein press, press) is the property of certain body electrically polarize the action dune under mechanical stress and conversely to deform when given apply an electric field." Source: Wikipedia.org That said, no need to be a lumberjack for a spark with the device as it is very well designed.
It is of course obvious that this is the type Unit-to avoid if you suffer darthrose hands or of a carpal tunnel syndrome ...
