Calamus Glass Straw

The vortex, a natural phenomenon, underlies the design of the“Calamus” drinking straw. Because of a fine spiral cut into the narrow glass tube, any liquid that passes through it acquires a powerful vortex motion. As seen in nature – tornadoes, for example, or wildly-flowing rivers or ocean waves – the vortex action increases the intensity of the energy. The delicate structure of the hand-blown drinking straw takes its shape from the Golden Ratio. For children over 6 years

Length 24 cm
Production - mouth blown traditional workmanship
Material - borosilicate glass