GunnyGene
Hawkeye
This is interesting. Guy made some slugs with JB Weld. Work pretty good. Sorta frangible so folks worried about over penetration might like these DIY slugs. Watch the video at the link.
https://www.guns.com/2018/06/29/cranking-out-and-testing-some-j-b-weld-shotgun-slugs-video/
https://www.guns.com/2018/06/29/cranking-out-and-testing-some-j-b-weld-shotgun-slugs-video/