These dudes with the double-lightning SS tattoos?
What is your obsession with that, anyway?
Are you desperately trying to foment some kind of “Nazi” meme?
The Sowilo predates Nazis by thousands of years and they perverted an perfectly innocent thing, as usual.
It is often used by people with Nordic ancestry or those who identify with Norse religions/mythology.
http://en.wikipedia.org/wiki/Sowil%C5%8D