I bought a general purpose bass one, which I knew was B stock, and none of the zips on the accessory pockets worked. Then I got one with the TBird, and the pocket zips on that don't work either. Compared to Warwick Rockbags, which have huge zips, the Ritter ones look puny. No problem with the bags themselves though.
Hijack alert!! Send in the Swot team.