Tube stretcher
/r/mildlysatisfying: For the subtle things that are, you know, mildly satisfying stuff - This is the subreddit is dedicated to posting specifically things that satisfy you in a day to day basis. The aim is to share things the little victories that you encounter every day, but they're just to mild to share with everyone. Things that are **mildly satisfying**.. - March 9, 2023 - 21:11
/r/notforspelunking: don't put that in your vagina - This educational subreddit was established as part of a government grant to prevent sandpaper-vagina collisions. - March 9, 2023 - 17:01
/r/ManufacturingPorn: Manufacturing Porn - How Things Are Manufactured - Everything related that serves your obsession for manufacturing and industrial process. Inspired by Discovery Network's "How It's Made". - March 9, 2023 - 13:27
/r/toolgifs: Tool Gifs - Tool, machine, and manufacturing gifs. Sometimes entertaining, always educational. - March 9, 2023 - 12:02