Finger Carving Seal[1]
Name
Kanji	指刻封印
Rōmaji	Shikoku Fūin
Literal English	Finger Carving Seal
Debut
Manga	Chapter #382
Anime	Naruto Shippūden Episode #133
Appears in	Anime and Manga
Data
Classification	Ninjutsu, Fūinjutsu
Rank	C-rank
Class	Supplementary
Users Jiraiya

The user concentrates chakra into their finger and using the heat from that can apply writing on whatever they want to a surface. This technique however requires them to be very delicate with their chakra control. This technique causes slight discomfort for a living target and if it is on flesh, it will scar.

References

1. ↑ Third Databook, page 265