The trick to the French knot

I had a lot of trouble with French knots until I learned the trick.  The trick is to keep your thumbnail or finger on the knot as you pull the needle through.  The knot must be against the fabric when you do this.   That's all there is to it!

I have looked for a picture on Google Images for exactly this procedure, and I can't find any that show it the way I do it.  I just know that I haven't had any problems with French knots since I started using this method.  Try it!