String

Hint 1 of 7:

What about the string Ben gave you to help you remember?

Hint 2 of 7:

Oh, it is cotton not silk.

Hint 3 of 7:

Hmm, now who in town might have some silk string?

Hint 4 of 7:

No one there tries to be a fancy dresser, but the Pughs do.

Hint 5 of 7:

But no need to go inside the mansion to ask them, since they wouldn't give
anything to you.

Hint 6 of 7:

After all, they just TOOK your dog from you, but maybe they discard things,
too.

Hint 7 of 7:

Look around outside the Pugh mansion.