The shielding window on the cheap two-piece PL-259 welding head from Taobao is different from all the instructional videos I've seen on YouTube.
I tried to solder some of them on myself, but I ended up with a lot of messy solder and it wasn't very aesthetically pleasing. I need to use a file to remove the excess solder.
However, it's actually very robust; I feel it's even stronger than a pressure fitting.
However, with this tool, you can make ten or more crimp connectors in the time it takes to make one, making it suitable only for players who have plenty of free time.