Andre Lemaire wrote up his testing of the MagBag, a prototype main d-bag created by Jerry Baumchen. Here, in all their raw glory, are the test jump videos.
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I Jumped It: The MagBag
This Month's Issue
i102: June 2018
On the cover: Jason
Moledzki swoops his
PD BASE Proxy 260
at Kjerag, Norway, during
opening weekend at
SBK Base.
back issues 
I thought Warren Cleary made the “mag bag”.
I believe there are several types of magnetic-closure type bags out there. This is just one of them.
I own an Advance Seven and it has a magnetic-closure line stow pocket. I took it off after a year ago and went to a UPT semi stowless bag. Its a better solution I think.