Please note that this video is in Vietnamese with sparse English subtitles. However, even without understanding Vietnamese one can follow the visual explanation to construct the gimmick.
Approach a spectator while holding a bottle of water. Ask to borrow any small object and visually melt their object through the walls of your water bottle. The possibilities are endless. Borrow coins, keys, playing cards, even a goldfish. There are so many possibilities, you will be coming up with great ideas in no time. Included in the Bottle Magic download: you will be taught how to make the special bottle needed to perform these effects as well as performing instructions.
1st edition 2016, length 12 min.