J&R Fire has developed the PFE-1, a torch-sized (or fleshlight-sized) fire extinguisher that’s easy to use with one hand. It’s a one-time-use extinguisher that’s activated by a single button and can shoot the coolant out 3m.
Sorta looks like a vibrator, too, but I don’t think you’d want to go there with this ice gun. Watch how well it extinguishes below. [J&R Fire via Core77]