Read this: Himachal has a rich heritage of handicrafts. These include woolen and pashmina shawls, carpets, silver and metal ware, embroidered chappals, grass shoes, Kangra and Gompa style paintings, wood work, horse-hair bangles, wooden and metal utensils and various other house hold items. These aesthetic and tasteful handicrafts declined under competition from machine made goods and also because of lack of marketing facilities. But now the demand for handicrafts has increased within and outside the country.

What has happened to the sale of grass shoes in Kangra?
What is the answer? (If it cannot be answered, return "unanswerable")
unanswerable