I just switched from the .4 coils to the .2. Even using the rings, it's running hot enough that it leaves me feeling like my lips/skin around my lips is getting sunburned! I was up to 60w (dual Pico) and have moved down to 55, and still the same thing.
Really disappointed, esp since I've got an entire pkg of these coils, and none left of the .4, so I can't just switch out, but I can't imagine using up the rest of the .2 if this is what's going to be happening.
I've loved the Cleito up until now, and have been eyeing the exo, but this problem makes me hesitate.