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Now for those one finger chromatic glissando runs... They're killing me! They are not smooth at all, and I can often hear my pick hit right as my finger is directly on the fret wire. If I slow down, it sounds to staccato (I hope that's the right term) cause I'm making brief pauses at every fret instead of a synchronized, smooth glide up the neck. Also, I'm not sure about thumb pressure behind the neck when using this technique. I'm experimenting with no pressure to slight, to firm...
Playing that one upstroke on an offbeat still allows the rest stroke where the accent is needed, and in my view can actually enhance phrasing, since it gives me a chance to set up that next accented note. I started practising this and I defy anyone to tell which note is the upstroke. In a fast descending arpeggio, that one upstroke is imperceptible, yet it allows the hand to relax just long enough to avoid stumbling and losing the feel due to too many consecutive downstrokes. I thought it was a nifty solution to the problem.