I learnt this stitch from my friend.It looks like a Ric Rac Lace and I fell in love the moment I saw it.It is very easy to stitch too.This will be a beautiful border stitch and here is the tutorial for this.
Start a few mm below the starting point.

Start a few mm below the starting point.
And here is the finished one.I hope you understand the stitch and like it too..