Here there are some clips on Wujiaquan (巫家拳), a rare martial art from Hunan Province in South Central China, performed by Dai Jianguo from Changsha (7th generation). It's interesting to notice a smooth blend of southern and northern fist.
Yin Yang outgoing and incoming continuous hands' form.
'Picking and Hanging six elbows' form
'Unicorn Six Elbows' form