The governments of the United States & The United Kingdom are using Anti Homeless floor studs to hold homeless people from certain locations.
The image below shows how the government is using ‘metal’ spikes as Anti homeless floor studs.
The homeless floor studs are made in a specific way so it will make it impossible for the homeless people to stay on those locations.
Location where the picture was taken
The property, a building of flats on Southwark Bridge Road, has a series of at least 17 inch long metal studs embedded in the floor of an alcove next to the doorway.