We learn from our mistakes.
Knots and misweaves were my biggest problems at first.
You'll get faster and more accurate with time.
Racquetball racquets still bust my chops.
I can't remember all the bizarre patterns and still have to follow the 'recipe', even after six years.
"Start at 3HL and feed 8' 6" through the handle to of the left side of the bottom groove in the bearing at the handle and up the right side to 4HR pull and clamp (you may use a straw to help guide the string)"...arrgh!
I really should charge more for them.
Tennis racquets are easy.