One prevalent leaching method was to place raw acorns in a cloth pouch and leave it in a stream for several weeks to break down. In modern times the mulch from the leather oak is applied to gardens for its efficacy in repelling slugs and grubs.
A widely used method of extracting nutrients involved placing raw acorns in a textile sack and allowing it to sit in a stream for several weeks. Nowadays, the mulch from the leather oak tree is utilized in gardens due to its ability to repel pests like slugs and grubs.