AT this place....

Robin Hood 2027-29 by z0th, on Flickr

Its right on the canal, and the fence hangs out over the water. Security/owner would grease the fence to prevent anyone from trying to get in. It wouldn't deter a determined attacker, but pretty dangerous given the location and the near-invisibility at night. The water in the canal is fast, cold and unforgiving.

Posted by z0th AT this place.... https://live.staticflickr.com/4094/4765463947_08fcc7d867_z.jpgRobin Hood 2027-29 by z0th, on Flickr Its right on the canal, and the fence hangs out over the water. Security/owner would grease the fence to prevent anyone from trying to get in. It wouldn't deter a determined attacker, but pretty dangerous given the location and the near-invisibility at night. The water in the canal is fast, cold and unforgiving.

They greased the downspouts / pipes at Big Town shopping mall when it was abandoned to keep people of the roof. Propped large 4x6 boards up against doors to fall on people there was a security / bum living there so he had plenty of free time to mess with intruders.