I got one last year to try with my windlass tipups. The vinyl line was really too thick to work very well. I bagged it with the thought of modifying but never got to it. Other than that I have not....
Many years ago In-Fish had a DIY solution for the Ice Stopper. Just a wood disc with a plastic tube thru it. They filled the tube with some sort of oil (mineral, veg) IIRC but a PG/water solution would be a lot less messy. Here's what it kinda looked like, just imagine it painted black:
