You could read for months at predator masters website.
When you start talking about baiting then you are getting away from calling coyotes into ambushing them so whole different aspect.
Just like calling any critter ,turkey,elk,duck,or predator ...it's all about setup. Getting wind,sun position ,visibility and having target animal within hearing along with good camo and staying still will get you a long way.
About any ole sound will work but especially Wabbits
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963