There is a video showing a guy putting kief wrapped in parchment paper and then filling a jar with warm water and rolling the jar over it for a while and when he was done it looked like the blonde hash of my youth. I had to fast forward through the video it took longer than my attention span, when I tried it, same deal.
I have a puck press and it works well but in the end I just started sprinkling Kief in a joint, cone or pipe, same deal only easier to work with. I did buy a rosin press that I hope to have time to try out this weekend on some kief. They say that is as good as RSO, I hope so because making that shit is a pain.