From 1833 to 1920, Leith was an independent borough. The Leith/Edinburgh boundary lay here. Across the road you will see Bound*ry. This pub used to be known as City Limits. Before 1920 it was necessary to use both entrance doors because Leith and Edinburgh practised different licensing laws. The bar on the Edinburgh side served until 9.30pm and after that the customers had to adjorn to the Leith side to enjoy additional drinking time!
From 1871 to 1899 there was a horse tram service which ran up the entire length of Leith Walk. In 1899, Edinburgh installed a cable tram system down as far as where you're standing but Leith Town Council refused to allow it to be extended to the Foot of the Walk. Anyone wanting to travel past this spot had to change trams here. This became known as the ‘Pilrig Muddle’. So you see issues with trams on Leith Walk are not a modern problem!
You are looking for a modified plastic container. Please be very stealthy as this area is always busy, day and night.