I cut my tyvek to the size that I need it, and then a lot of times I just put a small rock in the tyvek and put my cord around it to hang it up. That has always been the simplest way for me, and I have had no problems yet. My neighbot got me a huge 10' or 12' roll, so I have lots to experiment with
Psalm 19:1-3 "The heavens declare the glory of God; and the firmament sheweth his handywork. Day unto day uttereth speech, and night unto night sheweth knowledge. There is no speech nor language, where their voice is not heard."