If we're talking about a skill that can be written down, the following works for me: - read the manual and summarise as I go - using the table of contents of

If we're talking about a skill that can be written down, the following works for me: - read the manual and summarise as I go - using the table of contents of my summary, I rewrite the summary in another document - I repeat this rewriting the summary a bunch of times over multiple days - this works for text, diagrams and code For me, the act of trying to recall from minimal input (a topic heading) gets the job done. It's really just a variation of the techniques already mentioned here.