Copying one of the forms below (find one that works best for you) here is the way to go. You’re looking for a smooth tremolo on one string (at first) to know you motion is efficient (therefore not ‘stringhopping’).
Copying one of the forms below (find one that works best for you) here is the way to go. You’re looking for a smooth tremolo on one string (at first) to know you motion is efficient (therefore not ‘stringhopping’).