Does a deer approach that 150lbs of corn raised off the ground 2.5 feet and say "I'd better run away because this doesn't look natural"
Deer aren't natural "trough" feeders. I've witnessed them walk past a feeder to browse, naturally (if alternatives exist

). I've also nevr seen one stand by a corn feeder for more than a minute or two.
It's NOT "natural", to them.
This is another reason I do my mineral site the way I do it (in the ground). THAT is "natural". A block, above gorund, concentrated....is NOT. I feel like I get more "hits" on mine because of the way it's presented.