1. Running Backstays support the headstay in a fractionally rigged boat

2. As you tighten the Backstay, you want to go forward and check the headstay tension

3. Backstay Adjuster Systems Backstay adjusters allow racers and cruisers to adjust and control mast rake and headstay tension

4. If you tighten down the Backstay too much, it can add un-necessary stress to the headstay and all of the fittings involved.