Drive to a busy round about wait for a cap in the traffic move forward over the white line on to the round about 4 ft and stop. When the car coming out behind waits for a gap and moves forward BANG in to the back of your car(make sure your car has a spare wheel mounted on the back door it makes a bigger mess) you then jump out exchange details. Then contact one of these accident claim companys (no win no fee) also helps if you work in the NHS and sit back and wait for the lovely money.