It is insanely easy to embroider with this needle.
When your are done you can choose what side you want to display. Your backside you cut with an sissor. And you get a "fluffy" embroidery.
The needle is like this
Look at the speed the seller create a beautiful picture.
I have uploaded a video of this on youtube.
1 Slip the thread into the needle behind.
2 Blow the thread through the needle with your mouth.
3 When the thread is coming out the back plug thread into the needle eye.
4.Cut the thread to right lenght, or pull it back is to achieve the correct length before you start embroidering.
5 Go ahead, move the needle up and down