How to Practice Soft Skills Outside of a Master's Degree

I'm all for refreshing our skill sets. So I'm also wondering if there are soft skills that you could pinpoint where you could practice them in other ways outside of a master's degree. You could also do this for hard skills. Like, for instance, India, she's my favorite person ever, my favorite researcher. She has courses on mental model diagrams,. Maybe that's also something that you look into is like, Oh, well, what is a mental model diagram? And how do I add this to my toolkit, right?So really critically thinking about what you're trying to achieve. And if a master's program actually makes sense for the things that you want to take out