Wands/DD's clapping

[Chys Lattes]

No: HPFGUIDX 141743


> houyhnhnm quotes (from PS/SS):
> 

> He clapped his hands.  In an instant, the green hangings became
> scarlet and silver became gold; the huge Slytherin serpent vanished
> and a towering Gryffindor lion took its place.
>


Chys:

Maybe that was a message to the house elves to change the decoration. 
I don't know how relevant that is, but it would seem they do it all 
without being seen. So all anyone would see is DD clapping his hands 
and the elves taking that as a sign to comply.

Chys