To make one is easy: 4 wooden pallets attached to each other by large hinges, bought in any DIY store. Nail these together. Cover with old carpet.
A good alternative is a large square incinerator, the type that look a bit like a cage. Line this with tough plastic, and cover with carpet.
(peida) Kas Sul on sageli ajaületusi? Tasulised liikmed saavad "Automaatne vaheaeg" kaudu seada vaheajapäevi, kui muidu oleks ajaületus. (pauloaguia) (näita kõiki vihjeid)