Hard chug spout yana tsayawa gaba ɗaya a rufe kuma babu yuck yayin jigilar kaya. An rufe ba tare da wani lahani ba.Cikakken tabbacin yabo.
Ergonomic mai ƙarfi da ƙarfi abin ɗaukar filastik yana da kyau don tafiya, ko dai ɗauka da yatsun hannu, ko rataye shi a kan jakar baya. Yana da wuya kuma mai jurewa tasiri don guje wa karye yayin faduwa.