A duck walks into a bar and says "Hey, got any corn?" The Bartender replies "No" The next day the duck walks into the same bar "Got any corn?" Again,

A duck walks into a bar and says "Hey, got any corn?"
The Bartender replies "No"
The next day the duck walks into the same bar "Got any corn?"
Again, he replies "No"
The following day "Got any corn?"
The bartender replies angrily "No, the next time you ask that I'll nail your feet to the floor!"
The next day the duck walk in "Got any nails?"
The bartender, confused says "No"
"Good" The duck smirks "Got any corn?"