We watch as one craftsman blows a bubble into a ribbed mold, has one end of the bubble cut off by an assistant, and then twirls his blowpipe about its axis to get the bubble to open, like a flower bud opening.
Mēs vērojam, kā kāds meistars iepūš stikla burbuli rievotā formā un viņa asistents nogriež burbulim vienu galu. Tad meistars virpina pūšamo cauruli, lai burbulis atvērtos, līdzīgi kā atveras zieda pumpurs.