How The Heck Do You Secure This Round Thing...

Hey Junkies, I'm a little surprised no one has come out with a tool to make this happen. There are niche tools everywhere yet not for the Deeper. This might just be a million dollar idea, does anyone have any fabrication contacts? Cal Coast Bait Sack Video: https://www.youtube.com/watch?v=XdZpSDfgq...