Thank you for your comment, Valentin.
You are correct in the fact that the Simond Scud was the first tool commercially available. The two tools were launched within a few of months of each other and Petzl, along with Simond, revolutionized the world of ice and mixed climbing with the introductions of these leashless tools.
Both tools were developed due to the needs of top athletes in the competitive world of competition ice climbing, who helped both companies develop this new style of leashless ice climbing tool.
More information about formatting options