As we all know, 2017 was a crazy year of squonking. How crazy was it? RDAs without squonking function were even not considered as an RDA! Luckily there’re quite some popular squonk RDAs releasing last year including Hellvape Dead Rabbit RDA, Digiflavor Aura RDA, Digiflavor Drop RDA, VandyVape Bonza RDA, VandyVape Pulse RDA and so…