Chin rests and shoulder rests should ideally be created for each individual person.
If a violinist, or viola player does not support their instrument freely or easily, or complains about pain, it is time to look for a new chin rest and possibly a shoulder rest.
Set the chin rest first
Shoulder rest should be measured for specific height that is needed
As a person grows, the chin rest and shoulder rest may need to also change
Types of Chin rests:
There are several types of chin rests and shoulder rests on the market.
Exploring several different chin rests and shoulder rests before purchasing is recommended.
The following website provides a detailed explanation as to what to look for in a chin rest. Information about shoulder rests are also included:
Frisch and Denig Chin Rests are made for each unique person.
(Highly recommended for juniors and seniors who have reached their full height potential)
Jonathan Swartz, Mimi Zweig, IU (Getting the Exact Height of a Shoulder Rest)
The Wave Chin Rest (hand made and comes in different heights and styles)