si Morgan 's interactive tutorial has more than 1000 views . slides a piece of A4 slides vertically until it becomes very small . Simply puts the cap on the underside of the paper and pops the cap off .
Rhys Morgan 's YouTube tutorial has more than 350,000 views . Folds a piece of A4 paper vertically until it becomes very small . Simply pops the paper on the underside of the bottle and pops the cap off .