Tattooing is painful ... no matter what method you use ... besides, it may leave a scar.
Guys, hey hey. . . Hydrocarbon nucleic acid sulfate and hydrochloric acid, used for labeling liquid drugs, knife cutting and fire attack chemicals.
Peel the steamed bread while it is hot. You can put them on a piece of paper, but if they are too hot, they will leave scars, so the landlord should think twice.
I hope the landlord will adopt it, thank you!