Require announcement if objects used for Sq-1 (#192)

wca-regulations.md

@@ -358,7 +358,7 @@ Note: Because Article and Regulation numbers are not reassigned when Regulations
 - A2) Scrambling:
     - A2a) When called for a round, the competitor submits a puzzle, in its solved state, to the scrambler. The competitor then waits in the Competitors Area until they are called to compete.
     - A2b) A scrambler scrambles the puzzle according to the regulations in [Article 4](regulations:article:4).
-        - A2b1) For Square-1, the organization team may enforce placing a thin object in the puzzle to prevent accidental moves being applied before the beginning of the attempt.
+        - A2b1) For Square-1, the organization team may enforce placing a thin object in the puzzle to prevent accidental moves being applied before the beginning of the attempt.  If these objects are used, this must be announced before the round starts.
     - A2c) After the scrambler starts scrambling the puzzle, the competitor must not see the puzzle until the inspection phase starts.
         - A2c1) The scrambler places a cover over the scrambled puzzle that makes it impossible for any competitors or spectators to see any part of the puzzle. The cover remains over the puzzle until the beginning of the attempt.
     - A2d) When taking a puzzle from the scrambler, the judge briefly inspects the puzzle to ensure thorough scrambling of the puzzle. The judge raises any concerns with the scrambler, who then conducts a detailed check.