Well he's completely wrong on the timing issue, in all the years I have been watching football, referees have never stopped the game in the middle of a corner / direct free kick in the oppositions half, and I'm sure he's watched more football than me. (justarsenal.com)
«But I caught the brake and caught the front grip just enough to keep it off the seam in the middle of the corner. (sbnation.com)
Then you have to cut a V shape out of the middle of every corner, one on each side of the pipe. (thankyourbaby.com)