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.
(do skréše) Ťokni na špilošovo méno a pak na oddil Okončeny špile, pak na méno špila a nakonec na orčité špil, nad kerym tak možeš přeméšlet do aleluja. (Servant) (okázat šecke vechetávke)