[Nervous Tick]

>> Is there such a thing as a sand that is too fine?

Ah, you think that “pounding sand” is a sand-MAKING operation.

I used to think so too... until I learned that pounding sand is a sand-CONSUMING operation:

http://www.quora.com/Where-does-the-phrase-go-pound-sand-come-from

[Paladin2]

Yeah, I figgured it had something to do with hard labor in penetentuaries. They could eventually run out of rocks in some locations.