You need to stir the sticky rice because the bottom gets done and the top part still needs to steam more.
<h3>Why do one need to stir the sticky rice?</h3>
Note that the act of stirring is done so that all the part will be even and they will all be ready together. This will make sure the rice is soft or strong together.
Note also that You need to stir the sticky rice because the bottom gets done and the top part still needs to steam more.