Step – 1 : Bring the needle and thread up at 'a'.
Step – 2 : Go down at 'b' and come up at 'c'.
Step – 3 : Pass the needle under the diagonal stitch formed in step 2 from left to right as shown.
Step – 4 : Pass the needle under the diagonal stitch once again keeping the working thread under the needle and pull.
Step – 5 : Go back down at 'd'.
Step – 6 : A squared palestrina stitch is made.
This stitch can be used as an isolated stitch or for filling.If I want to replace french knots in my designs then I always go for this stitch and it works pretty well.