code: public final void setTongue(final String tongue) {
  		if (tongue != null && tongue.length() > 0) {
  			if (tongue.length() > 2) {
  				this.tongue = tongue.substring(0, 2);
  			} else {
  				this.tongue = tongue;
  			}
  		}
  	}
docs: Set custom cow tongue.
  @param tongue The tongue to use - if more than two characters long the first two will be used.