When you fall at slow speeds, you might want to hang on to the handlebars, when you crash, because by sticking out a stiff arm, shock will be send-up right to your collarbone.

• 当你是在慢速度前进时犁田，你可能想要紧抓住车把，因为透过紧抓车把的双臂，摔车时的震动会直接传达到锁骨(译者按：不太暸解本句原文的用意)。