So far Eastern part of Nepal produces the best khukuri and Bhojpure is number 1.
Who and were the khukuri made the slope and the thickness from the blade to the top part should be in a particular ratio and the degree of slope.
You see the M or W next to the Bid , it will stop the liquid flowing to the grip , that is why Gorkha force able to chop Argentine Solders' head at night ( their hands were not wet by blood)
The other off duty  Gorkhali  peeled the skin of 10-11 peoples  ( that was the news in sajha long time ago)  when they were abusing a lady and she cried bhaiya mujhe bachalo.