OK this is not all my pictures but the way to do it
what you need
1. good chopped grass flower it's not so good or efficient for leftover.
2. lighter gaz as good as you can buy
3. water pipe that you can buy a muzzle to put in on side
4. piece of cloth from old T-shirt or screen 200 micron
now first after you chopped the stash to fine ground material
you take the closing screw-nut for the pipe and make a hole a bit smaller then the tip of the lighter gaz in a way that when you try to push it to the hole the gaz is going out.
Now put the screen/close in one side of the pipe clip it with a band.
push the ground material into the pipe and close the muzzle
now push the gaz from the bottle through the pipe. it will run to the bowl under like that :
now you have a yellowish liquid gaz
you can let it evaporate or help it with heating but be very careful don't heat it with flame and make sure to have an open window.
after the gaz will evaporate you will left with a pure hash oil it's the cleaner way so that it easy when you try it
peace
zozo