Can't quite tell from the video but you might be tightening the bow too much. There should be a sight curve left in the bow. Take a pencil and lace it at the point where the hair is closest to the bow. The bow should be able to hold a pencil.
Violinist start date - May 2013
Fiddler start date - May 2014
FIDDLE- Gift from a dear friend. A 1930-40 german copy, of a french copy of a Stradivarius. BOW - $50 carbon fiber. Strings - Dominants with E Pirastro Gold string.