Flash back to 1990. I am 11 years old. New Kids On The Block are my favorite band. I learn to make "friendship bracelets" out of embroidery thread. I learn one knotting technique- to make straight lines or stripes of color.
Flash forward to a few years ago, when I pulled out my box, still stuffed full of embroidery thread, and decided to play around with knotting. I teach myself the V, scalloped stripe, framed V, diamond, and X and O.
Its always fun to rediscover and improve on a craft, and friendship bracelets are easy to make during long subway rides.