Third try for picture. to clarify, this is my 3rd Bonnie Hunter completed quilt...not third one of THIS mystery!!!!
To do double color binding, cut one strip 1 1/4" (color of binding) and one strip 1 3/4" (flange color). sew together to make 2 1/2" binding. fold in half and press. sew on back side with flange side on top. when folded over to front only a little of flange color should show[ATTACH=CONFIG]543963[/ATTACH]. Clear as mud?