A length of steel bar and and a half-brick to adjust the points on a Cortina. Conked out in a lay-by, no tools and that's all I could find lying around.
A couple of shoe laces tied together as a throttle cable on a dodge 50 series as I broke after two miles down the road after buying it..gear stick kept coming out of its location and battery went flat..got home though. ..
A long length of dowel with a shorter piece of thin bamboo gaffer taped to it to poke through the letter box and retrieve the house keys (sat on the table) after I'd locked myself out...
A golf tee to blank off the leak off pipe on a diesel injector on my van,the rubber one had perished and was running badly,warmed a plastic golf tee with a lighter and shoved it the hole,after bleeding the fuel system,she was up and running,got me home
One of my mates fixed a broken exhaust pipe with a butter knife, there were some jubilee clips involved. The gearbox selector popped out of my trucks gearbox, got my 'now' wife to stand on it for a couple of hundred clicks, that worked...