Have you ever experienced that your background paper curls up by itself? With the falcon eyes counterweight cb-140 this problem is solved! You can attach the cb-140 to the end of your backdrop paper. This way the paper will always hang straight down. At the optional accessories you will find some examples of backdrop paper which fits perfectly in these tubes. You can universally use the cb-140 for background paper of almost all lengths and widths. Application cb-140 it is very easy to put the set together. You do this by stapling the black strips to the edge of the background paper and then sliding the set into the two aluminum tubes. The cb-140 is also frequently used for posters. You also don't have to worry about your background paper slipping out of the tubes, as there are plastic protective caps included for all ends. The manual tells you how to place a poster in the cb-140 step by step.