1. Bad Idea
2. Good Idea

1. NOPE 
2. YEP 

And add an options for 5 - 10 - 20 - 30 sec / shot max ! 

What do u want to say with first suggestion mate ? 

1st option is a bad idea as you have very little control over potting the 8 off break. 2nd option i like and would be a good thing to add