I pierced my locs with some posted nail jewelry. I was experimenting to see if it could be used as loc jewelry. I found that I could not control the jewelry to remain topside. So I decided it was not going to work.
The posted nail jewelry is held by a hexnut.
I pierced through the softer spots in my locs to experiment. No harm to try something new. Hopefully, this experiment gives someone else some new ideas too.