Not sure what your Everclear labels look like, but it seems they aren't being shy about what their products are used for anymore.
This is a handle (1.75L) of Everclear at -70c. Running it over the weed this cold avoids a bunch of undesirables from being washed away with the THC, that you would otherwise have to filter out later, or consume.
$32USD for the 1.75 liter bottle of Everclear. $25 for a 30 pound block of dry ice.
EDIT: I had the dry ice to deep freeze the weed and Everclear before washing, then to winterize before filtering, as well as for my cold trap and receiving flasks, when I ran the CCO through my short path distillation rig. I get it might not be convenient just to deep freeze the alcohol. A much smaller block would do just for deep freezing the Everclear.