Under the title SLIPPERY project, a concept work or “social sculpture” is being created on the background of an elaborately prepared exhibition in a municipal gallery ....that never took place. Experts classify what happened as a case that should be of interest to many artists , as they are often invited or commissioned by public institutions to develop and realize event concepts. Verbal agreements often precede action. Artists have the impression of dealing with the proxy based on the position and rationale of their contact. In this case all grounds of trust were broken and time, money and practise were wasted.