If you insist on that fore-aft adjust-ability, then the ridge-line is what you want to use to support the middle, per Shug (here or numerous times elsewhere.)
Then, there's the possibility I have...
Type: Posts; User: DemostiX
If you insist on that fore-aft adjust-ability, then the ridge-line is what you want to use to support the middle, per Shug (here or numerous times elsewhere.)
Then, there's the possibility I have...
I think you well get better results and no gap if you reinforce the corners and pull out and up from those corners with shock cord. pulling the quilt against the bottom. The shock cord running...