Hi Jojo 
I think charging amulets is a great way to help your family with your craft! Charging jewelry is also extremely simple to do. 
A simple process could look something like this…
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cleanse all the jewelry
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charge the jewelry with your intention during a spell – usually includes ingredients such as candles, incense, and herbs
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gift the jewelry to your family member
Easy as that!
We have a few topics here on the forum that involve charging jewelry, plus an article on the website that can help 