H/T to Eric Kirkland, who noted:
Please note the compulsory requisites for ‘proper’ canal cruising:
1) The flat cap
2) The grey beard
3) The mucky overalls
4) Bloomin’ great boots
Prior to the current ‘Elf and Safety regime there would also be
5) Roll ups permanently attached to the lower lip or a blazing briar full of Ogdens’ Flake