see below
SNIP>
> Ancient pictorial evidence shows the swastika symbol on tools related
> to braiding, spinning and twisting.
Cite references!
The symbol served as a visual
> instruction for the direction of spin,
Sorry, different cultures that had different directions of spin, had the same swastika, and cultures with the same direction of twist in their yarn had mirror image swastikas.
for reaching and maintaining the optimum speed of spin while the symbol
> revolved. >SNIP