Here "hand" refers to Jabin's power over Israel. Yahweh's decision to give Jabin power over them is spoken of as if Yahweh had sold them to Jabin. Alternate translation: "Yahweh allowed them to be defeated by the power of Jabin king of Canaan" (See: [[rc://en/ta/man/translate/figs-metonymy]] and [[rc://en/ta/man/translate/figs-metaphor]])