I tried to get a Rowi clamp a year or two ago and I think they've been discontinued.
The Rowi 76 and 79 clamps have been discontinued. Rowi is still making one that is more expensive and has a heavier design.
A couple of other companies have taken advantage of the confusion and entered the market with their own clamps. The one I have seen most often in the field to replace the Rowi is this thing:
Ultraclamp
That's actually supposed to be a camera clamp, but it is being repurposed for audio. You can actually buy it at
REI, the outdoors store, for $24, but notice that it comes ready for a still camera and would still need an adapter, gooseneck and mic clip for audio purposes.
Amazon has it for $25.
Note that as of right now, Photomart is still listing their version of the Rowi 76 on their website. I'm not sure if the one they sell is an actual Rowi brand clamp, but it is EXACTLY the same design as the Rowi 76. If that thing isn't actually a Rowi, I used one for years and never realized it. The one above IS cheaper, but the kit that Photomart sells has more sh*t in it that comes in handy all the time.