 The accordion bend feature in flexIV A CAD representation of the accordion bend featured in the flexIV View Slideshow The silicone adhesive butterfly wings featuring in flexIV A CAD representation of the accordion bend featured in the flexIV View Slideshow A flexIV prototype in action A still from the prototype in action presenting the advantages of the flexIV deviceA still from the prototype in action presenting the advantages of the flexIV device including the accordion bend and the silicone adhesive butterfly wings. 