Basque knot also known as Basque Loop stitch, and Knotted loop stitch. As a stitch it can be employed singly, or scattered over an area.
They can also be worked as a textured line, as they can be easily worked joined together. The line produced is well defined as it is knotted.
Basque knot is similar to Palestrina. The main difference, as you can see from the illustrations you work the stitch from right to left, along a line instead of left to right.
The stitch is worked in the same manner as Palestrina stitch only work the stitch from right to left, along a line instead of left to right. Also instead of moving diagonally behind the fabric you move vertically.