what is this?

[benwebb987]

The black part inbetween tank and battery picture attached thank you for help

 

[tmcase]

It looks like a gooseneck but I've never seen one like that before. Cool 510 Twistable Gooseneck Extension $8.99 USA | Vaping Cheap Deals

 

[retired1]

Yep. It's a "gooseneck". They claim it's a "safety" device to help keep your mod away from your face.