Hi all
As a lefty playing righty, I thought I’d chip in. I apologize for the long post. I’ve spent a lot of time through the years considering why I would be able to learn some techniques quickly, and others only extremely slowly.
I remember that when I started playing, doing chords and strumming came to me very easily. I think I had the basics down within some months, initially only playing at school or on my friend’s guitar. I had (righty) friends who also had begun playing the guitar, and many of them were struggling playing things that I never felt I had to work at. It seemed very awkward for them, and I was at a loss as to why. Today I think I might have had a bit of a lefty advantage.
While I was most into rhythm guitar stuff for the first years I played, a shock came when I began gravitating towards lead playing. I could play simple (and slow) lead lines fine, but as soon as the lines became a bit more demanding in terms of speed (especially when there was string switching involved), I’d have problems playing them consistently. For a time, I played in a hard rock originals band and I would try and design workaround riffs that sounded technical like our heroes based on my limited picking skill. And it was simply beyond me how people like Paul Gilbert or Steve Lukather (both heroes of mine) could pick like they do.
I spent a lot of time researching picking technique, watching videos, interviewing my various teachers about it, etc. As I has been discussed here before, much of the advice I received was in the “speed will come with time and repetition” camp, and needless to say, my progress playing the same drills again and again, using the same motions that didn’t work, was extremely slow. I would go in circles between practicing speed picking (as it was known to me at the time), getting frustrated and focusing on other areas of practice, only to reconsider whether I had simply not given it enough effort the last time around and then returning to practicing picking again. It was very frustrating.
I still don’t have the speed I would like to, but the lessons I have learned from watching CtC through these last years have enabled me to progress faster in the limited time I have available now for practice. And while I wasn’t able to understand the relevant mechanics by just playing, the more technical explanations provided by CtC has helped me resolve a number of problems related to my picking. For example, it was a huge eye-opener for me that I would have to employ different picking approaches depending on the phrase I wanted to play.
Where I stand currently, I feel that the biggest challenge for me is what could be called compound movements, e.g. quick movements which involve multiple muscle groups at the same time. Licks where I can “lock it in” and go for it work the best. For example, I can play the Pop Tarts lick at around 180 BPM, but I can only play Eric Johnson-style pentatonic licks at around 160 BPM. I believe this is because of the more frequent string changes and the need to readjust the hand position accordingly with the EJ licks. My guess is that these compound movements are much more intuitive to righties because they basically practice them in all kinds of situations every day. I’ve tried developing some drills that specifically target these compound movements, and my experience is that they work quite well, though I don’t have any real data to show for it.
On a final note, I am a bit worried about the use of certain lefties (such as Batio or Morse) as examples that left- or right-handedness doesn’t matter too much - I’m not saying that that is an idea that is promoted heavily here, but I’ve met it on occasion. First, I think that placing people into two categories (or three, if we include the ambidextrous) is quite limited. I would think it is a bit more fluid than that, and thus there is a chance that the “succesful lefties” are not totally comparable to the, let’s say, “less succesful lefties” (such as myself). Second, looking at both Batio and Morse, I get the idea that perhaps their respective and quite characteristic picking systems actually may work by circumventing the need for precise, free-flowing compound motions. For Batio, the bracing with his fingers stabilizes his elbow and wrist motions, and for Morse, his wide wrist motions reduce the need for precise elbow motions a bit, such as during string changes. But I’ll admit I’m stipulating here 
Anyways, thank you for taking up the topic! I look forward to following the discussion onwards.
Best regards,
Christian