Any time the 'instructor' doesn't use proper trigger finger placement I'd have to call the system he's teaching into question... If he can't follow one of the most basic rules for firearm safety (Keep your finger off the trigger until ready to fire) then how is he supposed to safely teach...
I've had best luck putting 8-10 piles of corn in an area thats about the side of 4 parking spaces. (empty a 50lb sack to let you know the size of the piles).
I hear a lot about spreading it around, but if it rains (heh, this is Louisiana after all) the corn can sink into the ground.
I've...