Swamp witch props
More sketches

More sketches

From Smirnov School Sketching and Form Course. 
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And look Dominique Houghton made a really cool model based on a broom concept: 
https://www.artstation.com/artwork/Vg5lxR
And a really awesome hand-painted bow by Klaudia Manteufel:
https://www.artstation.com/artwork/DA5Y9n