The present disclosure relates to a method performed by an alignment system for aligning tethers of a drop stitch fabric prior to feeding the drop stitch fabric to a drop stitch fabric processing machine. The alignment system feeds a drop stitch fabric having a first layer and a second layer tethered by drop stitch tethers, wherein the first layer is moving with a first velocity and the second layer is moving with a second velocity. The disclosure also relates to an alignment system in accordance with to the foregoing.