The whole top part of my smok is turning but won't come off

The whole top part of my smok is turning but won't come off
My smok cube ultra, the whole top part is turning and won't come loose

answers:

either the screw threads are quite dense and hence taking a long time to turn or you can try pulling it hard but of course not too hard. would also recommend looking at the e-cig cleaning guide, i hope that helps.