english: He came up with this Bowden-wedge heel that has to be made out of steel or titanium; if you make it from some sort of cheaper material, it'll actually crack in two.
non_english: Smislio je ovu Bouden-klinastu štiklu koja mora biti napravljena od čelika ili titanijuma. Ako bi bila napravljena od jeftinijeg materijala, jednostavno bi se polomila.