The Stealth Pocket 400 (vs. other models) was, on the other hand, designed with this type of frame in mind, and it does the trick just fine. Here's what it looks like:

It's got rubbery bottom (steady on Kev), so doesn't slide on the frame. And - importantly - it has built in plastic "walls" on the inside, so it's stiff too, which makes putting things in and taking them out pretty easy (I did say, steady on

25 squid at Merlin at the moment (https://www.merlincycles.com/xlab-steal ... 82286.html).
