Beginners in Jiu jitsu ignore their opponents grips and entanglements because they don't understand the dangers they lead to. As they learn and develop expertise they come to the danger and to grips as soon as they become a threat. But the very best athletes go back to the start and ignore grips – this not from ignorance, but from the knowledge that if you reach a high enough you can let an take any he likes and use it as the opening to your own . The opponents grip becomes a shortcut to your own .