I can't quite figure out the attachment method for the bag? But something like this could possibly be made to work?
https://touch.trademe.co.nz/listing/view/1016891612
But not 100% sure as I don't have all the information. What I have learnt in life is its easier and cheaper to try use something that already exists most of the time, rather than build from scratch.
Kj
Bookmarks