Cocktail Bar Igihe Gamsei yafungurwaga mu 2013, hyper-localism yatangijwe mu myitozo yari ifite kugeza icyo gihe yari igarukira gusa ku biryo. I Gamsei, ibirungo bya cocktail biribwa cyane cyangwa bihingwa nabahinzi ba artesian. Imbere yimbere, ni ugukomeza neza iyi filozofiya. Kimwe na cocktail, Buero Wagner yaguze ibikoresho byose byaho, kandi akorana mubufatanye bwa hafi nababikora kugirango batange ibisubizo byabigenewe. Gamsei nigitekerezo cyahujwe rwose gihindura ibyabaye byo kunywa cocktail mubyabaye bishya.

Izina ry'umushinga : Gamsei, Izina ryabashushanya : Fw W, Izina ry'abakiriya : Trink Tank.

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.