Exodus 17:9

17:9 So Moses said to Joshua, “Choose some of our men and go out, fight against Amalek. Tomorrow I will stand on top of the hill with the staff of God in my hand.”

Exodus 28:32

28:32 There is to be an opening in its top in the center of it, with an edge all around the opening, the work of a weaver, like the opening of a collar, so that it cannot be torn.