These products are used under extreme conditions. So, the focus of the ergonomic concept has to be on a maximum operating safety. For instance, kite surfers require a safety release system allowing them to separate from the kite while operating under full load. Opening and closing mechanisms are giving feedback regarding their status. Levers and handles are due to be used under wet sandy surroundings. Also, color codes give feedback about the system state.
In this case auswall also takes the part of the project manager in coordination with the customer, development department, tool makers, production and others.