How do you sew a hidden stitch?

For illustrated instructions on how to sew the baseball stitch, see the link I have provided below.

A temporary stitch would be a basting stitch. These are simple straight stitches approximately 5mm or 1/4" long. This also makes the thread easy to remove. See related links for image/s.

Some machines offer a serger stitch; check the manual to see if yours does. The stitch is basically just a zigzag stitch, so it's like a real serging stitch's pathetic, more time consuming cousin. I...

A chainstitch uses one thread (needle thread) which is looped around itself after the needle pushes it through the fabric, forming a stitch that looks like a chain on the underside of the fabric. A...