What else you gonna be grinding those beans with, tiny horses?
No you're not, silly.
Time to grow up and get a grinder. Just don't go around telling everyone it makes the biggest difference in your coffee though ok?
This is the Hario Slim Grinder and here's some extra info:
* ceramic burrs (this is good)
* adjustable nut for a precise grind (also good)
* 24g capacity (the largest of the portable grinders, size matters)