Originally Posted by
capejohn
I'll bet that if you ride with him you will see that his elbows are locked. Tell him to relax his arms and grip. Take a deep breath and let it out once in a while.
That is absolutely the case. He says experiences a lot of discomfort if he keeps his elbows bent for too long. That's why I suggested some bar ends to give him somewhere to hold on to that is further away.