We continue, if you do not really have the steel balls you'll probably be suffering a lot, but we have to continue.
set the metronome on 40bpm and the timer on 5 minutes.
Place the cylinder and squeeze it well on both balls together, if you can fit both into the cylinder.
Start, press, hold presssed and rotate the pusher, press, hold and rotate, stop after time runs out, try to press harder than before!
Reduce those balls to mush!