this post was submitted on 11 Jul 2024
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[–] Orbituary@lemmy.world 3 points 2 months ago

Not manufacturing defects. They correct the natural tendency of wood to change shape with temperature and humidity.

Kay and other companies used stiff bars of non-adjustable steel in the neck to keep them from warping, but results were mixed.

Truss rods let you fix and adjust to different climates and conditions.