you can use these the moment you make the char, if you rodex yourself (excluding the rwc accessories and GMG since they're account-bound)
emh/eddga hat/turkey/giant magestic goat/peco peco hairband/
bdm/blood butterfly ears/exorcist glasses/sunglasses/long octopus balloon/
jinn balloon/99 love/banshee/blood sucker
pantie/bakonawa scale armor
only cat weapons (they're all a "foxtail" name of some sort)
immune shields/mad bunny shields
faw/aa wing/etran/normal undershirts/amistr bags/faceworm skins
bangungot boots/sandals/shackles
rwc accessories/emerald earrings/cathand gloves
i dont own all of the "balloon" headgear, but i know you can equip damn near most of it at level 1 as well.
as usual, feel free to add anythiing i missed.
edit: i'm going off the in-game listed level descriptions. if they happen to be wrong, make a note of it please. i didnt physically check every gear listed.
Edited by Fuuton, 19 February 2017 - 01:54 PM.