Last weekend, the AFDA hosted a Coaching Development Course.
Idaho, from Sockeye, was the presenter for the weekend, and shared a range of concepts that he uses when coaching in Seattle.
One of them was the ready stance for a thrower - always having the disc ready to be released as soon as needed. This is useful if a cutter suddenly gets open, or the stall count reaches 9, or the marker starts bumping you. You can throw immediately.
Holding the disc with two hands by your waist - generally not good.
Having the disc out from your body in one hand - good.
This ties in with Idris' earlier point about not pivoting, unless there is a specific need to. Always be ready to throw.