Sizing hollow bracelet

Dear Orchidians,

I have a friend who was given a bracelet which is one of those
hollow, flat back, domed top, types but it is a little too tight on
her arm. The bracelet is round and if it can be changed to a bit of
an oval it will fit better. Can this be done? Also the bracelet is
finished with a niello finish, which may make changing the shape

Thanks for your help.

Sharron in green, sunny, Kuala Lumpur where the orchids cost U.S.$

  1. for 7 branches at the Sunday night market.