through the pours of a pipe screen. In order to
solve this problem we must compress the skuff
into hashish. This we will discuss later after
we talk about other extraction techniques.
Drum Machines:
A drum machine is an automatic screening
device. You will probably have to build one
yourself but this is easy enough to do with the
right materials. The size of the unit depends
on how much cannabis you wish to sieve at a
time. Most drum machines have a 1.5 - 2ft
diameter.
This is a simple example of what a drum
machine looks like. In between the two wooden
