Sauerkraut crock? Kimchi?

hello,

I'm interested to make my own sauerkraut and other lacto-fermented vegetables and want to buy some sauerkraut crocks for the purpose. Does anyone know where I can find some in Belgium (preferably Brussels)?

I've found some on Amazon.co.uk and Amazon.de but the cost of deliver is almost as much as the crocks themselves!

TIA!