I've just watched this guy's tutorial on scratching, and I'm really impressed. He gets the point across really well and makes it look easy.
https://www.youtube.com/c/DJBlightyTV/videos
DJ Blighty - Learn to Scratch
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I◄◄⠀▐▐ ⠀►►I ───○ 02:05 / 04:10 ᴴᴰ ⚙ ❐ ⥂
Autism is a neuro-developmental condition characterised
by difficulties in social interaction and communication,
as well as restricted and repetitive behaviours or interests.
Life on the Spectrum