 Bwana Sinkamba avuga ko ibi byaba umugisha cyangwa umuvumo kimwe na diyama cyangwa zahabu, bitewe nuko ubutegetsi bubikoze. Urumogi mu bihugu byinshi rufatwa nkikiyobyabwenge, bityo kitemewe namategeko, mu bindi bimwe nka Canada, Uruguay, South Africa na Georgia rukoreshwa nubishaka, ibindi byemera kurukoresha abarwandikiwe na muganga. 