Walking foot sewing tips
The most versatile of all sewing machine feet has to be The Walking Foot. You can use a walking foot for stuff like binding or for sewing with knits.
The Walking Foot is an unusual looking foot that is designed to provide an extra set of feed dogs for the top of the fabric being sewn. This makes managing unusual fabrics manageable. Matching plaids or specific designs becomes simple.
Here are more walking foot sewing tips.
Tutorial by Leslie at The Seasoned Homemaker.