Wait, it purged the entire ecosystem except trout, so what are the trout eating? Don’t tell me we now have nuclear powered fish, the implications are terrifying. What happens if you’re bitten by a radioactive trout? Do we get troutman, the superhero we neither want, need or deserve?
Bend them the other way. Start with all fingers open for zero, and curl them as needed. You only need to move them a bit, so even twenty (thumb and ring finger back, the others curled) isn’t too hard.