The video below is in Thai. She showed how the tape is changed for her mother who is on nasogastric tube feeding. :
The tape change is available at timestamp 5:29 min of the video:
There is another video in the channel by Amorn Suksodsai where he showed how he changed the nasogastric tube for his mother and in the end of the video, how the tape is secured. He is able to write English.