Wolf Forte Secondo Violin Shoulder Rest Violin 4/4-3/4 Size Adjustable in height from 1-1/4" to a full 3", Willy Wolf shoulder rests have long been favorites of professional violinists and violists Curved bar contacts more body area for secure hold Height and pitch adjustable Sliding width adjustment allows for unlimited positioning along the instrument body The Wolf Forte Secondo shoulder rests are adjustable in both height and width and feature a crescent shaped pad designed for the player with narrower shoulders