Many of the tools Em Yung used while making the baskets are either homemade or brought over from Thailand or Cambodia. It was necessary for Em to keep his knife very sharp during the bamboo splint shaving process with the whetting stone.
Basket Making, photograph 11 of 21, from Cambodian Traditional Crafts and Religious Ceremonies.
View the Basket Making group of photographs in order on the Internet Archive,
https://archive.org/details/CambodianBasketMaking.