Evolução do arco Mais
The Jacqueline Du Pré cello bow, by Tubbs.
How to Play the Viola - A guide on learning how to play the viola. Gives various tips for teaching yourself and explains common mistakes beginners will make while playing the viola.
How To Adjust A Violin Bow For Better Sound http://www.connollymusic.com/revelle/blog/adjust-a-violin-bow-for-better-sound
When people hold their instrument wrong it bugs me
Bow hold chart - excellent visual
this is lady is the best beginner guide for online violin lessons that I've found so far.
FREE Printable Parts of the Violin and Bow
"violin bow laying on vintage music sheets"