Step 1: Materials
(if you don't have the length of the A4, than you take a blanc A4 paper and hold it on the card bord)
or : A5, A3, A2.... etc.
1x little rope
Step 2: Assembling
then pull the rope through the 2 holes as on the picture
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.