In my experience I've never had to use hot water to separate a figuarts waist. But if you are concerned there is no harm in doing so. On the topic of 2.0 Goku and belts, which of these belts matches 2.0 Goku the best? 1.0 Goku, Ultimate Gohan, SSG Goku, or SS3 Goku? I was going to change my 2.0...