Hi Bibi,
Here are some Keyword ideas for you. A lot of variations of different spelling for chain maille
chain maille - 60,500
chainmaille jewelry - 5,400
chainmaille jewellery - 4,400
chainmaille rings - 3,600
chainmail bracelets - 1,600
chain maille bracelet - 1,300
chain maille bracelets - 880
chainmail bracelet - 1,900
byzantine chain - 3,600
chain maille byzantine - 720
byzantine chain maille - 720
chainmail byzantine - 590
unique beaded jewelry - 480
beaded charm bracelets - 1,600
Hand stitched bracelets - No replacementes, looks like this term "Hand stitched" is associated with sewing only.
beaded keychains - 3,600 - good term for this product page
https://icraftgifts.com/handmade/33409/beaded-keychains.php Just add more details in the title and description!
I think I'd use "Chainmaille Jewelry" with 5,400 replacementes as your main Phrase for the store page.
Same advise as for others - talk about your products first and then about yourself. So the line "I am Bibi... "should be ideally moved down on the page.