You can always buy a feeder that distributes the corn at a set time.
Or just buy the spreader with timer and mount on your own barrel of pail. You can set the time so it won't work unless your there.
Fellow next door uses some thing like this.
Walley world.
http://www.walmart.com/ip/Wildgame-I...eeder/34954725
http://www.walmart.com/search/?query=deer%20feeders

Al