General

Failing a hammer slot question

So a friend of mine recently failed a hammer slot on their partisan and I told them they could clean slate it back but they just want to be 100% positive. So if you fail a hammer slot, can you clean slate it back and finish scrolling it without losing any stats?

[url=http://i.imgur.com/ebsNO1Y.jpg?1]Image[/url]

The top says +8 idk why I can't get it with good quality