Someone in another thread asked if there were pictures of single strand knots. I took a few and decided to put them in their own thread because a separate thread for the pictures would make future searches easier.
This is a single strand knot that has just started to form. It's still loose. It will get tighter, though, as time goes on and the hair is pulled:
This is a picture of a single strand knot that is fairly tight:
This is an end that knotted and then knotted again in the same spot. So it still involves a single strand of hair, but it's tied itself into a knot twice over in the same spot:
I got all these pictures out of one small twist at the front of my hair. Amazingly, I actually have fewer ssks at the moment than I have for the past few years (since finding the hair boards, which increased my ssks).
Hope this helps.
This is a single strand knot that has just started to form. It's still loose. It will get tighter, though, as time goes on and the hair is pulled:

This is a picture of a single strand knot that is fairly tight:

This is an end that knotted and then knotted again in the same spot. So it still involves a single strand of hair, but it's tied itself into a knot twice over in the same spot:

I got all these pictures out of one small twist at the front of my hair. Amazingly, I actually have fewer ssks at the moment than I have for the past few years (since finding the hair boards, which increased my ssks).
Hope this helps.