Tattoos, piercings and body modifications: why?

['thul]

The exact system does not sound familiar. These beings' hair cutting machine uses incremental adjustment, each increment roughly 3mm or so.

It is indeed much cheaper to buy a machine rather than to pay someone to do it every time. And it does not require an appointment. ('thul cut 'thul's hair at around half past midnight sometime last year.

The cutter does not remove all the hair. It leaves a slight stubble behind, maybe 1/3rd mm or so. An electric razor would remove that too. The base principle on an electric haircutter prevents it from fully removing the hairs. It does, however look like everything is gone the first day or so unless one looks very closely...