Leather carving

I had made in the leather craft a new style of New Year.
I want to learn this year leather tamping

http://www.youtube.com/watch?v=Wt63H7Gocew&feature=endscreen
http://www.youtube.com/watch?v=xMsdaB6N8dw
http://www.youtube.com/watch?v=rfv3iQYDUgs。