When you are parenting a prop to a different figure you need to go to "Object Menu" and select "Change Parent" and select the body part that you want to parent the prop to.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi