Standing in 'no man's land', neither right up nor right back.
  Snatching or grabbing at the ball.
  Taking one's eye off the ball.
  Getting up too early when standing up to the wicket.
  Moving to either side too early - before picking up the true line of the ball.
  Excessive head movement.
  Taking the ball off balance.
  Incorrect weight distribution when attempting to break the wicket.
  Casual or even lazy footwork.
  Fingers rather than palms pointing at the ball.
  Hesitation in going for wide balls.
  Unnecessary use of pads.
  Bad returns to bowler or fielder.
  Badly cared-for equipments.
  Loss of concentration.