If you are shooting full length, then you need to pull the paper down with enough to sweep it across the floor, allowing enough paper for the subject to stand on and have the paper stretch 3’ from where they stand towards the camera. I then duct tape the paper to the floor. They will leave footprints on the paper that you will have to retouch out and I always cut off the section of paper and throw away. The content you are trying to access is only available to members. Sorry.