i dont own a reos mod at all but i have been looking and i like the bottom feed idea. However it would be nice if this mod or the mini were more pocket friendly. if you put the mod in your front pocket with your key or something else whats to stop the bottle from getting squeezed? so i though maybe have a door with a bottle opening that closes. then i thought some more and said well what if when you put it in your pocket you take off the door and turn it upside down so the bottle windo will be over the positive side of the battery, that would fix that problem...right? do the magnets still work if the doors on upside down? if not, id change that. Also i dont know if you can do this already but, make it a little wider so you can fit a extra atomizer inside of it or if your pocketing it you can take the atomizer off and put it inside so your connection gets less bending stresses in your pocket and last longer. thats my ideas. i dont know if anyone has thought about this or said it? its just my thought.