I’m actually going to make my tail with just neoprene, when I get my neoprene I’ll take picture so I can explain it well and it’s coming in 5ish days, so it won’t be long! I also got my mats today that I’m going to make my mono fin out of, I’ll post pics below. The larger one cost $13 at Walmart and is going to be the main part. The smaller mat I’m going to use to create a pocket for my feet and then glue them together.
https://ibb.co/NSN8Pwv