How to make a faction use tribal gear?

[SalmonToastie]

https://www.reddit.com/r/RimWorld/comments/7kwxu1/how_do_i_make_a_certain_faction_use_tribal/?st=JBEA261Z&sh=8068d529

Posted this on the reddit page, thought I would put it here as well because I really want to start playing it!

Salmon