Guitar finger training sleeve
thingiverse
Training aid to force fingers apart while practicing proper finger placement on guitar neck. Printed in TPU with 20% to 30% infill (adjust infill for desired stiffness). Version 3 is the one I use, but I included previous versions 1 and 2, which are slightly wider, possibly fitting your hand better. If you like this thing, print it out and give it a try. Share a picture if you're proud of your work. Thanks, happy printing!
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