Originally Posted by
Prism99
What I would do in your situation is wash each wool in the washing machine with soap and dry on high in the dryer. That way if you have one that crazy-shrinks, you can use it for some other project. The wools that survive the washer/dryer treatment should work fine for a quilt, and the quilt would be able to be washed normally later.
One of my grandmothers made wool quilts and this is what she would do, too. All of her wool was from salvaged clothing, and thanks to all her pre-washing, I can machine-wash her quilts pretty fearlessly, except for the oldest ones that need a little more TLC these days.