Done my first ever dual coil

[Blossom]

Greenoneten, I can tell you're a tinkerer (!) and I know you're an engineer, I also think you're the sort of chap who likes a challenge....

So, please can you invent an 'ever-lasting' coil?

I only ask, because in one week you've reached duel coiling, so I feel you should be able to achieve this by your 3rd week of vaping!