I have the proof that the big boys don't do the first scrapes of rubs. I found a rubline and a scrape here in Nw Pa two weeks ago, I put the cuddeback on the scrape for 4 days. I have 9 bucks and 16 does on film. neither of the two monster bucks showed, The bucks were 1 1/2 and 2 1/2 year olds.
