The poem is written in groups five lines long, and each line has five 
words.  This is intentional, and hopefully you'll also start to notice 
that some of the five-letter words look similar.

In fact, the only thing that matters is the five-letter words.  If you 
throw away everything else, you will find that each five-letter word 
only uses on letter that's different from its predecessor.

If you write down the letter that was introduced, you get:

moths -> tombs  B
tombs -> storm  R
storm -> smart  A
smart -> crams  C
crams -> scare  E
scare -> scale  L
scale -> lease  E
lease -> tease  T
tease -> eases  S

Answer: BRACELETS