Fhz sili recess tutorial?

Are there any fhz silicone recess tutorials i could go off of? I know that I’m “getting” an fhz for christmas. My mom bough it for me in may, let me use it for 2 months, then took it away and said I would get it back for christmas… Anyway im looking for a turorial. How hard is it? I have a drill. Would it be worth sending it to a modder? If so, who should I send it to to mod?

Here’s one.
http://yoyoexpert.com/forums/index.php/topic,15085.0.html