Hokey, but not without a certain enjoyment, the film does nearly come undone in two key scenes, both for the same reasons — battles against villains portrayed in poorly designed and very obvious rubber suits (one involving a «man - ape» in a room of mirrors and the other marring the climax featuring Andre the Giant (The Princess Bride) in the costume). (qwipster.net)
I believe this is an extra safety mechanism, so the clips will not come undone easily. (pregnancymagazine.com)
However, if you have a smaller chest, you might find the clips coming undone when you don't want them to. (wetheparents.org)