Originally Posted by
dunster
I used to join with the curved seam and whip stitch by hand. Now I just butt two straight pieces together and zigzag on the sewing machine. So much faster, and there's no problem with it coming apart or "showing" after quilting. I don't think there's any reason to fret over it, and certainly no reason to do it over.
I use this same method and it works very well. I have joined some crazy odd pieces of batting together to make a full piece for my quilts and never have had a problem with any creases or bunching.