do a search for rosin
or
1.take a pyrex plate or stainless steel bowl
2. put ontop of pot of water
3. turn on heat until water boils
4. remove from heat
5. take hash patty and smear it on plate
6. keep smearing all over the plate in the same direction
7. once plate is covered with rosin scrape with razor
8. repeat process untill hash is dry and crumbly