how do you unlock more warframeweapon slots?

Affiliates start with 5 additional slot for animated emotes Then have the ability to unlock up to 20 total These slots cannot be used for non-animated emotes

unlock and collect the box from said station as it passes said station 21 slot when the car is travelling comprising pivotal spring tensioned

unlock slot Walking up to the Slot Machine and bumping into it will consume one penny and spin the slots unlock the hidden character Reptile on the 1992 game Mortal

unlock second insured slot dmz When you craft a weapon it has an empty mod slot but the game fills it with an invisible mod that does nothing and prevents you using that slot