Step 1: Recall from passage.
The passage states that long pinnate coconut leaves are used as raw material for products such as brooms, chatai, etc.
Step 2: Eliminate incorrect options.
- Bedsheets → Made from cotton, not coconut leaves.
- Shoes → Made from leather or rubber.
- Handkerchief → Made from cloth.
Step 3: Conclusion.
Thus, coconut leaves are mainly used for making brooms.
Final Answer: \[ \boxed{\text{Coconut leaves are used to make brooms.}} \]