Unique machined lighter. 22:24 video:
https://www.youtube.com/watch?v=LVgXZCEdbqQ
Previously:
https://www.homemadetools.net/forum/...723#post170756
https://www.homemadetools.net/forum/...244#post146047
https://www.homemadetools.net/forum/...893#post144522
https://www.homemadetools.net/forum/...497#post135828
https://www.homemadetools.net/forum/...737#post128975
https://www.homemadetools.net/forum/...046#post109391
https://www.homemadetools.net/forum/...181#post153795