No its not i have checked... i made them 1 mm and they still wouldnt spark

:!: Hey i just made a combustion cannon and umkay... I use hairspray but after like 4 shots it will stop sparking... actually it has stopped sparking fully. I cleaned the nails witha metal brush and i sharpened them. I wiped them clean but still no spark, well it will spark every ONCE and a while bu...