Speaking from experience here:
When "malt conditioning" do not over-wet the grains. Male Logic ("more is better") does NOT work in this situation. Read the article and stay at or under the ml H20 per lb grain limit suggested.
If you do not, then you will create a sticky dough that coats your rollers. If you continue to persist in male stubborness and determination in attempting to crush the grains with corndog rollers it will be very, very difficult (with a hand crank) or you could quite possibly burn out your drill. I did just that.
You will have to take apart your grain mill and soak the rollers/corn dogs in water to get the concrete-like dough to soften up and come off the rollers. In my case, I then added the "corn dog" slurry to the mash tun (no loss of efficiency