Check out this awesome hand and wrist mounted DIY flame thrower. Designed and created by Everett Bradford’s his “Prometheus Device” is fashion on the X-mens Pyro ability to create fire from thin air. Everett’s device doesn’t do it quiet from thin air but its fantastic never the less.
Using a deflection sensor in the device allows the user to control the flow of the butane and propane mix which create the flames. To ignite the gases the flame thrower uses an arc generator which send a spark across the users palm which ignites the gases.