Fairly much common sense advice, with some cultural taboos like resting chopsticks pointing to the right.

I have always been a little embarrassed by my own use of chopsticks. When I was three or four years old a waitress in a Chinese restaurant helped me figure out a way to hold them that worked for me. Long story short, I am in my 70s and I have very effectively been getting food efficiently into my mouth with chopsticks my whole life - with horrible style.