+iVegasLive Entertainment Inc. don’t focus too much on the grammar, probably he/she is just not a English native speaker. If you understand, it is okay!
In 0:33 she held the crispy item in her mouth and waited until the crispiness faded away from the moisture in her mouth. Then she pressed the food in 1:06 with her tongue to check it's crispines and bit into it, when it wouldn't make a sound anymore. With all the moisture she could just regularily chew it and then swallow it without a sound. Very clever to play for time.
The radish kimchi is kinda hard, even if you kept it long in your mouth, I think. If you heard closely, she's making some noice of chewing but it's a bit quiet