Igikoni Petit Duc ni igicaro cyakozwe kugira ngo gikoreshwe hanze no mu nzu. Icyicaro ni urukuta rw'amabuye ya shale sandstone, ibuye ryo mu karere ryacukurwa hafi ya Malmedy mu Bubiligi. Amabuye acibwa, akoreshwa imashini kandi akandagizwa, naho impande zacyo zikozwe intoki. Iyi tabuleti yicaye ku maguru macye y'icyuma cyometsweho ibyuma (metallized steel) hamwe n'ubwoya bw'ipoudre burinda kuribwa n'ibyuma ndetse n'imirasire ya ultraviolet. Igicaro kigira uburebure bwa 2000 mm kandi gipima kilo 80. Hatanzwe uburyo bune bwo kurangiza umurimo: bushya (raw), buhinnye buke (honed light), buhinnye bwinshi (honed dark) na bwacishijwe (sanded). Intego yari ukongera agaciro ku gikoresho cyo mu karere.

Izina ry'umushinga : Petit Duc , Izina ryabashushanya : Julien Hac, Izina ry'abakiriya : .

Soma ibiganiro biheruka n'ibiganiro kubijyanye no gushushanya, guhanga no guhanga udushya hagati yumunyamakuru wubushakashatsi hamwe nabashushanyo bazwi kwisi yose, abahanzi nabubatsi. Reba ibishushanyo mbonera bigezweho hamwe n'ibihembo byatsindiye ibihembo byabashushanyo bazwi, abahanzi, abubatsi n'abashya. Menya ubushishozi bushya kubijyanye no guhanga, guhanga udushya, ubuhanzi, igishushanyo mbonera. Wige ibijyanye nigishushanyo mbonera cyibishushanyo mbonera.