Psalm 47:1 calls on all peoples to do what with their hands?

Answer: Clap them

Psalm 47, of the sons of Korah, begins: "Clap your hands, all you peoples; shout unto God with a voice of triumph."

“For the choirmaster. A Psalm of the sons of Korah. Clap your hands, all you peoples; shout unto God with a voice of triumph.”— Psalm 47:1 (BSB)