It is worked with 2 shuttles, thread is DMC 80 in yellow and red. I've used SCMR and the upper chain is made with the second part of each ds not flipped (how do you call that method?). Pattern is original.I've started with a pattern which was very time consuming, then I've cut, started again and simplified it. ----------- The flipped, unflipped chain is called a lock stitch: tattingfool.blogspot.com/2012/01/chains-and-locks.html