I came across a very unique form of hand sewn lace as done in Juarez Mexico on Facebook by Museo Textil de Oaxaca Art Gallery and Art Museum. This is an excellent facebook page on the topic of embroidery and various hand sewing methods that are representative of that area of Mexico.
Check it out here
The Randa of needle, a variant of lace that requires a lot of precision and patience in the manipulation of the thread and the needle.
There are numerous videos on related sewing methods and traditions. Very interesting!