I used to use a hand, twist grinder, made by Sweet Leaf. Wooden outside.inside and metal teeth. Worked great but cleaing it was a pain in the ass. After prolonged use, it was hard to twist, so I moved on.

Now I just use an electric coffee grinder to bust my shit up. Cost me $12.99 at Wal-Mart and works great. I let the kif build then make some sweet ass hash.