Re: [jerolim] vtec vent
edit again: maybe this helps at least a bit:
https://vimeo.com/9185694 edit: just saw you ask for vtec only, i leave the bottom part here for the next guy that ends up searching for vents on the forum....
the trolls have just to pieces of fabric without any holes, one sewn down on the front of the mesh, one sewn down on the back of the mesh.
with the old trolls those two were connected with 3 bartacks on the top, the newer trolls dont have them connected anymore. (same with the osp's)
here pictures of the old troll style vents:
http://www.watchthybridle.com/2012/08/vents-close-up/ attached a picture of the new troll and osp style vents.