I'll have to find a good dry rock to strike it on.

So what, they were both playing good rock and roll.

He found one more good rock, and tossed it with all his might.

Sometimes you just want some good old fashioned rock and roll.

Nothing really flashy about these guys, they just play good, old-fashioned rock!

You have no idea how tough it is to find good rocks in a city.

Now the area will be seen for what it has to offer: superb technical lines of good rock and ace protection.

So the three, with good rocks at their back and some advantage in high ground, stood to face those who were approaching.

There's a good rock there we can hide behind, and see everything from.

Everybody tried to give her a really good rock.