https://store.am.gallagher.com/am/us/en_US/animal-management...
which has metal fibers woven into a mesh of plastic fibers. Even though the structure is mostly non-metallic I think it gives a better shock than a plain wire. I think I'm going to try making a ham radio antenna using that stuff.
He also makes flatpack helical antennas: https://www.ebay.co.uk/itm/196095158881
I think everyone from hollywood to big corporate companies have been buying his backyard inventions. He should feel really proud getting in there before the academics, youtubers, and opportunists jump on board! I bought this set back in 2019 and have had some really nice chats with the guy.
He made an SBand antenna out of a Beachball: https://dalybulge.blogspot.com/2023/09/diy-gatr-ball-antenna...
Before that a Fabric Parabolic Antenna: https://dalybulge.blogspot.com/2022/11/updates-on-portable-p...
Explaining how he did the design: https://dalybulge.blogspot.com/2022/10/parabola-design.html
Just tie your line through a hole in a soup can and put it over the muzzle before firing a spud.