Sentai henshin devices... either you love them or you hate them. From rings to braces and phones, it has been an important part of our favorite Super Sentai and/or power rangers series for without these(with the exception of Goranger to Battle Fever J), they can't transform in their respective ranger forms. To some toy collectors, some will standout in their collection and some, well, are so painful in the eyes and sometimes, wallet draining, but chances are, they will still buy them for the love of the fandom. So let's take a little time jump(because it's Thursday) and head back to where it all started and know your sentai device type...