Jawbreaker has pretty much become a moniker for mushrooms coming out of Vietnam that have the yellow, orange, red, green, purple, so on and so forth but mostly the red on yellow. A lot of places have assigned names to their mushrooms with the jawbreaker title to it in order to ask a premium price. But there are some characteristics that separate a true jawbreaker from other very nice looking imitations. The jawbreakers have a bumpy texture by comparison to the iron man shrooms that are almost completely smooth, some of these I've seen are almost blindingly yellow.