Menards sells Masterforce brand pouches that are well-constructed, durable, and CHEAP. They even have
an ear on the outside to attach to. The zipper has fairly large teeth and a large, sturdy pull.
They don't have any attachment point inside the pouch though so I modify them for that so I can tether the other
end of a tag rope or items I don't want to try to escape when I unzip the bag. For this modification, I turn the
bag in-side-out, cut out the divider except for one corner, cut a hole, install a grommet in the hole, turn it back
right-side-in, and attach a small s-biner as an attachment point.