Originally Posted by ScottO
True, but amsteel and dynaglide are slick materials. If you hang a taut line then try to keep a hammock in place, my guess is that the knots will start to slide towards each other, even with an extra wrap.
I wouldn't use prusiks to hang a hammock on a SLS, I'd use descender ring or some other hardware to hang it. That way the hardware is mechanically binding the material and won't slip.