SiDiao technique
For me this is the best and most natural way to create jin and shari on pines and junipers.
Fibers are pulled off with pliers and after that the wood is burned or sand papered. A very natural looking dead wood is created this way.
nice info here:
http://ibonsaiclub.forumotion.com/t924-cheng-cheng-kung-s-bonsai-school-taiwan-juniper
http://www.sidiao.com/photo_e_6.htm
Here are some examples on how the tools are used.
http://www.sidiao.com/index_e.htm
Tools by Riuga: