To do this, the lid is opened and the interior is exposed to clean water that is under extremely high pressure. During this process, exactly 4 mm of the wood is removed.
Compared to hand pickling, there is no need for complete disassembly, which not only greatly speeds up the process, but also makes it more cost-effective. However, one of the most important advantages is the ecological aspect, because this form of processing does not modify your natural product in any way.