The Private Bench: Only Rich People have the Right to Sit by Fabian Brunsing
Covered in spikes, you have to pay to have the spikes retract so you can sit down.
Fabian Brunsing’s concept is ” Pay & sit: The private bench” in which you must pay to a bank that attached with the bench , after paying, the spikes will hide for several times and you can sit down, when time is up, it warns you so that you can hurry to stand up after sitting in the bench