Albert Barnes on Matthew 26:67

They spit in his face. This, among the Jews, as among us, was significant of the highest contempt and insult, Nu 12:14; Isa 1:6, Job 30:10.

And buffeted him. That is, they struck him with their hands closed, or with the fist.

Others smote him with the palms of their hands. The word used in the original here means, literally to strike with rods. It also means, to strike the mouth with the open hand, as if to prevent a person's speaking, or to evince abhorrence of what he had spoken.

(i) "Then did" Isa 1:6 (1) "with the palms" or "rods"