Usage patterns
〈物〉を鞄に入れるto put something in a bag
I put the textbook in my bag.
鞄を持つto carry/hold a bag
I carried the heavy bag with both hands.
鞄を背負うto carry a bag on one's back
The students go to school carrying their bags on their backs.
〈物〉を鞄から出すto take something out of a bag
I took a notebook out of my bag.