Homemade pneumatic toggle press. By JefferyJ. 7:06 video:
https://www.youtube.com/watch?v=-MsCNEA1Gqs
Previously:
https://www.homemadetools.net/forum/...408#post146706
https://www.homemadetools.net/forum/...636#post143447
https://www.homemadetools.net/forum/...072#post120530
https://www.homemadetools.net/forum/...913#post137451
https://www.homemadetools.net/forum/...224#post130648
https://www.homemadetools.net/forum/...023#post125421
https://www.homemadetools.net/forum/...801#post105436