More to explore:
Getting the tension on your sewing machine right.
Sewing Machine Troubleshooting Infographic
Understanding Thread Tension
Sewing machine tension
How to clean and oil your sewing machine
Clean Your Sewing Machine
Understanding Thread Tension. Diagrams and how to fix sewing machine tension problems - very helpful! #sewing
A few simple tips for machine sewing leather
How to sew hexagons by machine
Sewing Machine Cover - must make one for my machine!