any marking is legal i.e. dots, initials, names
its not how you mark your ball, its how you mark your titleist.
no
No, you may only mark your ball when it is on the green.
he uses a coin
When this happen, There is no relief from a ball embedded in a bunker.
Straight black line on the side of the ball.
It is best to mark golf balls with markers before playing a round to avoid confusion.
Arnold Palmer marked his golf balls with an umbrella in tournaments. It is also reported that his wife would kiss a ball before he used it to play.
One ball is in the line of play of the other. No specific name for it really, just mark the ball and move the marker if necessary.
You can only mark your ball and pick it up when you are on the green. However, if lift clean and place is in play you may pick it up, but that is usually only in the winter.
Mark Twain humorously referred to golf as a "good walk spoiled." This quote reflects his belief that golf is essentially a pleasant outdoor activity ruined by the frustration of trying to hit a small ball into a distant hole.
It doesn't HAVE to be round no. But ideally you should just use a round one.