From the latest episode of the Sabai talk podcast all about THAI RICE!
The other caveat about the 1-knuckle rule is you have to be using a straight-sided pot. If you have rounded sides or slanted sides, it may no longer apply. The 1-knuckle rule also works better with long grain rice like jasmine, but would make Japanese short grain rice too wet.
If you don’t know what the 1-knuckle rule is then you gotta listen to the podcast, full episode on the @hongthaimee youtube channel!