Strange And Unusual Japanese Chewing Gums

From Inventor Spot:

Japanese chewing gum differs from American chewing gum in many ways, and that probably is a result of the practical way Japan looks at chewing gum. Since it's merely chewed for a while and then disposed of, it just makes sense for chewing gum to serve some function, any function before being spat out.

This way of thinking can produce some very strange and unusual types of chewing gum, and from them we've assembled this Top Ten list! Now then, let's get down to the good, the bad and the sticky!