re-spin the wheel

It means to take a gamble so that you can change a situation that has become intractable.

You have got stuck in your current strategy. Your current options are either to do nothing or to lose. So you take the third option of introducing some randomness, knowing the situation can’t get worse, hoping the new situation will provide you more options.

Damn, the restaurant is closed. Let's take a walk and re-spin the wheel.