The only problem with crimping is that it's too effective. I only base this on three things.
First,
@S.T.Fanatic took a crimper to a plot that had chicory in it, and it killed the chicory.
Second, I took a plain packer to mine and didn't kill the chicory.
Third, I don't want the grasses to die.
They are like senior citizens. They have all the wealth, all the real estate, they don't cause trouble, and they go to bed early. Keeping those old grasses alive is preventing new grass from having a chance, but it is also laying down and letting sun in.
Proper seed selection isn't optional. If you choose wrong, this will not work. I'm 100% against all white clover. It's not a bad forage, it just never gives up. The secret to all of this working is that these plants all have predictable ends to their life cycle, whether that's winter, or next summer. My blend is a combo of stuff that self terminates, and stuff that doesn't, but allows other things to grow with it.
Other questions to answer:
Will it broadcast germinate?
Will it tolerate 6-8" of fluffy sun blocking residue?
Will it grow into something useful?
Will it draw deer at the right time?
What happens if I roll it?
Is it worth the effort?