Fritz R. Huitfeldt invented a binding with a secure toe iron which allowed the heel to move freely and evolved through the 1930s as the standard design. His innovations included:

* Adding vertical metal brackets on either side of the ski to hold the ski boot (1894), augmented in 1897 by passing the iron bracket through a rectangular hole from one side of the ski to the other, before bending up the tabs.
* Passing toe straps through the rectangular hole and providing a buckle over the top of the boots, attached to the brackets and