I would recommend..............none.
In 30+ years of building and repairing systems, I've NEVER used an anti-static mat or strap, and have never had any issues whatsoever. It's completely overblown and is totally NOT necessary. In fact, I don't personally know of anybody who works on systems that uses them. I know there are a few around who do, but realistically, it's not essential. So long as you are sure to not work on it in your socks after walking across the carpet, or simply remember to ground yourself on something after walking across the room, like a metal lamp or anything really, you are not going to have a problem.
It's a waste of money and time. If you want ANY videos of any of the most popular, or least popular, builders or...