Well to understand this wordplay you have to know the meaning on Wäscheständer. Literaly it means laundry rack or clothes drying rack. But the second part of the word is also in german a nonstandard word for a big hard cock 
and the first part means clothes. Because there are a lot of people who becomes a hard cock by seeing or touching female clothes there is a doubble meaning of the word Thanks to suicide girl Laura Celina and Franka Stein for this nice shooting a long time ago.
Added, I love your blog!