Hello Charles,

I understand.
This handshape is not petrol or pistol.
It is used for the sign a very famous tourist spot in Brazil: the peak "Dedo de Deus" ("Finger of God").

See photo of this peak at: <http://cadeiranteemprimeirasviagens.wordpress.com/tag/pico-dedo-de-deus-serra-dos-orgaos-rj/>


Madson