Correct because if you cancel the bonus after two rolls you won't lose your whole balance. Just a small amount. The locked balance is getting bigger while rolling.
So get your stats right first before starting such sad site

I bet my entire balance two times. Two rolls.
I win one and I lose the subsequent one.
Locked balance goes up past my balance.
I'm now forced to play.
So get your stats right before starting such sad site 
So now we got 1982dre the "Mod of DuckDice" to add to Feedback for participating in a scam?