Advice on making a wizard staff with a captured ball?

I have a 25 year old who is awesome. They wear wizard outfits to bars and shows often. Fun fact: wear it once, you are the weirdo, wear it twice and You Are The Wizard.

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Anyway: they want to get a wizard staff with a captured Buzz Ball in the top ala Gandalfs staff.

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I guess we should get a hazel with a root ball so we can soak it and then form it around the buzz ball , letting it dry after straightening.

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Anyone have advice on the above steps?

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