TBM, yup I missed the pic while typing …. the mention of m/cycles and gravel in the same sentence, causes me to remember picking the stuff out of my knees in my yoof, before I could afford leathers... ouch. BTW it seems many a house these days has the front facing room turned into a garage, perhaps a flat roofed extension of the "room" out to the pavement and you could perhaps get a compressor in..? I am sure a box of Cadbury`s Roses and a bunch of Dandilions might smooth any wrinkles with
