Hey Dynnari,

I'm pretty sure if you're over a certain level, you just have the 'headed' versions of Hot Shot etc... From what I understand, you just need to lvl up to upgrade them. Or rather, as you are MCH 70 already, you'll already have the good versions.

They just updated this today : https://eu.finalfantasyxiv.com/jobguide/machinist/

Might be wrong, but that's how I'm reading this.