Bow Tuning and Archery Form Websites
Performance Archery An innovative 28 video and audio collection from bowtuning to shooting and everything in between
John Dudley. A range of articles and more
Spot Hogg Newsletters. A series of printable newsletters from bow tuning to aiming. Good for reading on a rainy day.
Sure-loc Confused with the relationship between lens diopter and magnification. Explained here
Tim Gillingham and Hamskea Archery
This series of You Tube clips shows how to use the Hamskea Easy Third Axis Level. Although it's aimed at showing someone how to use their product, it also gives you an insight into why it's important to ensure your third axis is set correctly whether you are a bowhunter or a tournament shooter.
There are 6 parts to the full video. You can find the others in the associated clips in the side bar.