I pay $14 at the muni to walk at twilight.
Rock hard green side bunkers - Page 2
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Personally if I were in a bunker like you describe I think I'd forego following the rules of golf for a second or two (enough for a practice swing in the bunker) and then make the shot. Yes, I'd ground my club in the hazard and take a practice swing or two to see how it would react and not count it.
Is that cheating? Maybe. I'd call it practice because I haven't run into a bunker like that yet... just sand... either hard packed and wet or kind of fluffy.
There is a golf course just north of Saginaw, TX (I forget the name) off of 287 that my nephew takes me to when I visit my brother. There is a bunker on the front nine (4th or 5th hole?) that you actually aim for. If you hit the bunker, the ball will literally bounce up several feet into the air, onto the green. It has very little sand on a shelf of cemented conglomerate.
I play a lot of courses like this. I've bladed so many trying to use a little bounce - never works (for me). I"ve tried powering through the rock hard sand - this results in just barely flying out of the bunker if I'm lucky, often rolling right back in. My best luck is trying for PERFECT contact with a really short backswing - just nip it off the hard sand - it's such a tough shot to execute, because even the slightest bit fat & it goes nowhere. Bunkers like that are to be avoided at all costs, but if you find yourself in one ... nip it cleanly.
Best option is to lift ball, rake the bunker so you get a nice fluffy lie like you're supposed to have in a bunker, place ball as close to where it was, and execute the shot like it's supposed to be executed out of proper sand. Did I say that ??
Why not "nip it" go for a low chip If the bunkers are truly that hard then even if the ball doesn't clear the lip the "hard " bunkers will create a surface for the ball to hit and bounce toward the hole like a bump and run