The limit concerns the available club set
Rule 4 limits a player to fourteen clubs carried by or for them during the round, subject to the rule’s stated exceptions. Simply leaving an extra personal club unused is not the same as taking it out of play under the required procedure.
Suppose a player starts with two putters and thirteen other personal clubs. They use only one putter, yet the starting set still contains fifteen. Counting the clubs seen in strokes on television would miss the issue entirely. A bag inspection answers a different question from a highlights reel.
Why an upside-down club can be significant
An official exchange or a clear action identifying an excess club as out of play can explain why the caddie continues to carry something that will not be used. Physical presence and permitted use need to be interpreted with that declaration in mind.
Do not extend the example to a club mistakenly placed in the bag without the player’s knowledge or one picked up for another player; the rule contains specific treatment of those cases. The point is narrower: the number of personal clubs used in visible shots does not establish the number carried as the playing set. Reconstruct the starting set and the subsequent declaration before interpreting a penalty graphic.
Questions answered
Does never using the extra personal club automatically solve it?
No. The club limit and removal-from-play procedure still matter.
Does every object resembling a club count?
No. The rule includes specific exceptions, including separated broken-club parts.
Sources & further reading
Official references for the subjects discussed. Service terms and device software can change.