I think that, first you have to learn how to take courses on how to learn on how to learn, then you may progress to taking course on how to learn how to learn.
I took the course. I thought it was excellent and it took less than a week for me to complete it working very part time on it. I was already using some of the suggested techniques, which was reassuring, and I learned some new ones. My progress with learning a new language and memorizing things in general has noticeably improved.