366 He blamed himself—afterwards ... (A TRUE INCIDENT IN A SHOPPING STREET, THIS SPRING) How many traffic mistakes can you spot here? Together, they cost the boy a leg. He will never ride again. To begin with, of course, there's the mistake of carrying a parcel when riding a bicycle. Its weight spoils the rider's balance, and prevents him from keeping the bicycle under control. (Para- graphs 63 and 71, the Highway Code). And the motorist? His prompt action saved the boy's life, undoubted- ly. But a trifle more foresight might have saved his leg: our Highway Code (paras.