During mediaeval sieges, the attackers had the sporting habit of using their siege engines to fire prisoners' heads into the fortresses, just to wind up the defenders. Stylish, eh? QUIZ 1-You are a defender and you have just been knocked flat by your Mum's head. What do you do? 2-What are the ballistic properties of the average head? 3-Name at least three individuals (except me) or groups (past, present or future) who deserve to be used as ammunition, targets, or both. 4-Why has this practise been allowed to fall into disuse? 5-Whose head would have the greatest effect on a fortress? 6-What improvements can you suggest? Examples include volley fire, incendiary ammunition, counter-battery fire etc. 7-Whose head would you most/least like to be hit by? 8-Give at least three examples of potential commercial opportunities. 9- Suggest possible categories for inter-Service competitions-rate of fire, accuracy, range etc. 10-What am I wearing underneath?