Pearl Necklace Redo.

 Take two strands of Pearls or really any two long necklaces.

 Twist them.

 Bring the bottom up to make two circles.

 Take the other necklace and place it under the double strands.

 Pull it up to make it even .

 All Done.  You can do this with all sorts of necklaces.  Short necklaces,  long  necklaces, you name it,you can do it.  Just use your imagination. Some samples below.