Before getting into the specifics of technique, this article looks at broad principles on which to base our technique. These are applied throughout the website
Holding the cello poses many perils to a balanced body, especially the C peg (it's evil, don't ya know?). Also, the cello hold need not be static but can vary according to the demands on the instrument.
From vocal lessons I picked up a couple techniques that we can apply to cello. Let's explore releasing tension in the throat, tongue. neck, and jaw. It may surprise you how much it can help.