5. The little pair-shaped pendants which hung loosely from their ears, and whose sole function was to make the music that the cowboy loved to hear were called "jingle-bobs."

Ans: The little pear-shaped pendants which hung loosely from their ears and whose sole function was to make the music that the cowboy loved to hear were called "jingle-bobs."

1) the fruit that is the shape we are looking for is a pear, not pair.

2) "which hung . . . and whose sole . . ." is a compound relative clause. Therefore, no comma is needed