In Conacaste they also make portfolios and work with cotton string.
The cotton string stretched more than she expected.
I would experiment with ordinary cotton string, after pre-shrinking and drying it of course.
A boiled and bleached cotton string might have a similar problem.
Packed into a neat white box and tied with cotton string, they make welcome gifts ($7.50 to $8).
Glue bits of broken glass onto a cotton string.
I prefer to make my own, using thin cotton string.
A cotton string is wrapped around the lower half of the 'lattu' to make it spin.
At last he drew out a small parcel wrapped in crumpled paper and tied with a cotton string.
When the time came I could snap them as they had been cotton string.