Wetsanding isn’t very difficult in the steps you need to take. It’s the technique that makes the different. When mastered, wetsanding can give very good results, but it is also very risk and should be done with great care.
Wetsanding is the act of using a very abrasive product (such as sandpaper) combined with a lubricating liquid to sand away a certain amount of the surface. This needs to be done with care and should not be done by beginners.