Does Guizhou folk wheat straw need steaming to make suona whistle?

There is no need to steam Guizhou folk wheat straw to make suona whistle. The steps of making suona whistle from Guizhou folk wheat straw are as follows:

1. Wrap the straw with thick thread and wrap it back and forth at least ten times.

2. Cut the whistle blank into the size of a whistle with scissors.

3. Winding with copper wire,

4. Finally, press the wheat straw with chopsticks.