A concept called tribhipian brought into vocab by the then PM of UK during World War II . It is a compact vehicle which can ply on smooth road and rough terrain as well and can fly in air and also capable of swim in sea. If at all I acquire, it must be something like this. A friend of mine more than twice dashed against some other car and then on he preferred to have only road rollers! I now find this sub forum is dedicated to discover ladies’ interest!