Where to connect battery terminals to battery?

Maybe the question is a bit “female” and “blond”, maybe both, but I’m really at a loss. At the moment it’s still winter and as a short distance driver I thought that one or woman could do something for his car and the battery care. So the much recommended CTEK MXS 5.0 bought. Well, now I’m faced with the problem that the battery is built in such a way that the poles of the battery are not exposed, i.e. you can’t attach terminals of the charger there (see photo) . In the case of the negative pole this could still be painful, since the clamp should not be on anyway according to the instructions, but on the vehicle body (which is also difficult, because there are no unpainted parts in the range of the cable). What do you do now? Just clamp to the screws or nuts of the fastening? Does someone have a piece of advice, as with such a built-in battery to proceed?