The Terror of Throttle Lock

I never want to ride a motorcycle again! It happened while I was traveling with a quartet in the mid-Atlantic states. We visited a church and the pastor and his sons enjoyed dirt biking. They invited our group to go with them. Up to that point, I thought motorcycles would be great! They gave us some instructions and I still remember him mentioning throttle lock. This is when your wrist is locked and you are giving the bike a lot of gas. Usually at that point you freak out and either crash, fall off, or die (probably). I was doing just fine, until