Yes, as is always the case, everything has to go fast quickly and have overlooked that the diameter is too big for my lens. I then played around a bit. The result looked like this: You can see the two forks and side squeeze past, characterized the radius decreases tremendously, but just enough so that only a small gap remains. It then turning the fixing screw, and then you can use the lever for the kit lens. Maybe it profit someone.
When operating still arise in my stuttering, but I think it just takes practice to deal with it properly.
