Fera da Barbosa, o paulista Luiz Panza junto com seu amigo Adriano Silva ensina como finalizar no armlock, de maneira diferente.

“Luiz Panza teaches “Grifo Lock” for you to use in Jiu-Jitsu”
Fera da Barbosa, Luiz Panza from São Paulo along with his friend Adriano Silva teaches how to finish in the armlock, in a different way.