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Homemade tattoo gun and tattoo??

hi, well i've researched a bit about homemade tattoo guns and that stuff, and I sudenly remembered that my brother has a Crayola Cutter (just like the one below LOOK FOR IT IN YOUTUBE SO YOU CAN SEE IT WORKING) and I have some Asian ink I think (the bottle is in spanish so it says "TINTA CHINA" so I thinkk it is the same stuff. well, I but some alcohol in a little part of my leg so I could try making a little dot with te cutter and the ink, and for my surpise, it didnt hurt that much and a little black dot remained in my leg (omg it worked!)
BUT!
I really want some recomendations of people that might already made their own tattoos, plus, i need ALL the information about this, I mean, care, what should I do if I decide to make a small tattoo in my leg, all of that stuff
PLEASE I REALLY NEED THE INFORMATION
everything you know about this will be so helpfull

and, should I do it with the crayola cutter and that ink???

THANKS GUYS
I'LL REALLY APRECIATE YOUR ANSWERS

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