does anyone knows anything about this style of wrestling? and what is traditional bulgarian wrestling called?

http://youtube.com/watch?v=aG9RbAcGDwY
http://youtube.com/watch?v=EPCeFqxPT24

Nice find! I read about this style years ago but never was able to find out much more than is obvious fromt he clips and definitely never got to see it done. Wish I knew more but at least I got to see it finally.