After the first skim I like to go to YouTube and try to find a Paper Explained video for the paper if one is available. If it's a niche paper with no videos, look for the most important cited paper and go for that instead. Quality may vary, but it'll usually at least cover the important points and might catch something you missed on your first skim. I also like to do this with some work colleagues. We'll each take a paper, then explain them to each other and discuss