Ultimate Knots The Non Slip Loop Knot. The strongest loop knot you can tie. Used by big game anglers worldwide. Easy to tie, far stronger and more reliable than the old fashioned strangulating figure eight knot that can substantially weaken line.
I would use memory wire- Use a strong wire that'll keep it's coil. Fill with beads of choice and add a little dangle charm at the end if desired to make an adorable bracelet like this Stella and Dot creation.