Which of the following is/are correct regarding the traditional craft of making Kolhapuri chappals which was in the news recently?
1. It is hand-crafted leather sandals made without glue or nails.
2. The leather, tanned using natural vegetable dyes, gives the chappals their unique properties, including a natural cooling effect.
3. It is made by the artisans in Telangana and Andhra Pradesh