Still fettling. I put the pin receivers in the bulkhead and set about straightening the pins out so everything is parallel.
Smoothing the edges and the underside, trying to get dial the gaps in.
Ran into a problem with the German Tenax (nka Loxx) fasteners: After putting the tonneau on and taking it off about a dozen times, they stopped locking.
I thought maybe they were set too high, so I dimpled their mounting pads a little; no joy.
Both were all jumbled up inside; the spring loaded jaw-like grabber bits all akimbo. I actually bought a spare. Looks like:
Friends, I've never heard of these failing like this. Any insight or advice welcomed.