Odd I can open it right up. Try this onehttp://www.westonsupply.com/Weston-Vacuum-Sealer-PRO-2300-Stainless-Steel-p/65-0201.htm
For really long sections you have to seal it multiple times. Just keep moving it along until it's all sealed. Make sure each seal overlaps the next. Try not to get any sections bunched up. Keep it as smooth as you can. I put the sealer machine near the edge of the counter top and open a drawer to help hold it steady. I used to have some pictures but all I can find is the meat rolls I made for Xmas a few years ago.