What should DID symbol be?

[nats]

the crosses would be challenging for us as a muslim, though the knotted one is quite pretty and potentially indirect enough. we also like:

https://www.allcelticjewellery.com/Products/Details/17528

or something as simple as the trinity knot, which has a lovely meaning and could have diff colours for diff sections:
https://www.allcelticjewellery.com/Products/Details/17534
https://www.allcelticjewellery.com/Products/Details/7660 or
https://www.allcelticjewellery.com/Products/Details/16145
https://www.allcelticjewellery.com/Products/Details/15082
https://www.allcelticjewellery.com/Products/Details/14952

i quite like the idea of a shield, like this:
https://www.allcelticjewellery.com/Products/Details/17152
https://www.allcelticjewellery.com/Products/Details/18090

or similar to this but without the middle bit:
https://www.allcelticjewellery.com/Products/Details/16607

someone also likes the tree of life:
https://www.allcelticjewellery.com/Products/Details/17693