Used to carry my lurcher (3/4 deerhound 1/4 greyhound) in a rucksack on my back, was OK unless I dropped below 30 when he would start really whining on. You could tell from the shadows that he was resting his head along the top of my crash hat, or lolling over my shoulder - just what you need on a lifesaver - a slobbery wet lurcher tongue over the goggles...
Also was something to talk to when the Triton broke down and we were awaiting rescue / tool kit etc.
For the pedants - I know he was really a long dog, not a lurcher, being a cross between two sight hounds not a sight hound and a working dog, but I prefer the name lurcher.
Mind his name was elfa - as in el fa lurcher
Tried to catch a transit van and came of second best

R