This instrument was known of Middle Ages but the first climbing irons for the whole leg were  discovered at the end of 19th century.

The first two pairs of  points ahead determine the use of climbing irons. The second pair of points bended in front direction makes the process along front points in very steep ice easier.

On the contrary, the points bended down are more comfortable while walking along moderate bended or plain terrain. For climbing on a rock there are used the climbing irons with one point.

The climbing irons can be divided – according to the type of supporting construction - into joint and frame. Joint climbing irons  consist -as a rule- of  two cog-parts connected with stirrup, The climbing irons, constructed in such a way with flexible shoe, enable walking more comfortable. Frame climbing irons are constructed in one unit which secures better climbing on a glacier  as they better hew into ice. However, thanks to its inflexibility the walking is worse and  more snow penetrates into.

The climbing irons are fastened on a shoe with belt – or  they are so called quick fixed climbing irons available – this requires the special shoes. The system of quick-fixed climbing irons is similar to some ski-binders. Except of these types there are several other variants  - as an example can serve the leather belt which is changed for a soft of plastic. The belt  bar is better as it is  lengthened for various shoe-sizes and it is easy for repair.

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