This is super interesting as well! http://woodgears.ca/combolock/index.html http://woodgears.ca/combolock/index.html Now you know why you had to go twice arou

This is super interesting as well! http://woodgears.ca/combolock/index.html http://woodgears.ca/combolock/index.html Now you know why you had to go twice around when opening your school locker. ;-)