It's not for Farlings tool but the process is pretty much the same so these may help:
https://www.youtube.com/watch?v=QPVFCSsq1oI
https://www.youtube.com/watch?v=PsJjkFnrNEw
https://www.youtube.com/watch?v=QPVFCSsq1oI
https://www.youtube.com/watch?v=PsJjkFnrNEw