Let's take a stitch out of Elizabeth Healey's excellent book Stitch, Fabric & Thread - the Mennonite Stitch.
This stitch is often used in Utility Quilting, i.e. a simple and fast way of keeping the three layers of a quilt, top, back and wadding together by stitching individual stitches on the surface and letting the thread travel inside the wadding to the next stitch.
It is a 'rough' form of quilting, but the Mennonite Tack Stitch can be used for embroidery, too.
This is how to work it:
Add Mennonite Tacks to these three pieces.