@Deleted member 16771 Nice one, and - if only! I'm afraid I'm more labour than genius, but hopefully I can contribute something worthwhile.
OH MY GOD. I googled "koala ring." I'm getting tis for myself for my birthday. https://www.etsy.com/listing/183599177/koala-ring-made-to-order?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=koala%20ring&ref=sr_gallery-1-20&organic_search_click=1&col=1