Iki gitabo kirambuye umubare wuruziga uhwanye na trailer ya kimwe cya kabiri ishingiye kubipimo rusange byiganana, iminini ya bale, hamwe nubutaka buke. Irimo ibintu by'ingenzi bigira ingaruka ku bushobozi bwo mu bwoko bwa Bale, Stacking, n'amabwiriza. Uburyo bwo gupakira ibintu hamwe nibitekerezo byumutekano byaganiriweho kugirango utegure ubwikorezi bwinka neza.
