When they hit your strike indicator

Hi All,

What are trout up to when they hit your strike
indicator? My pet theories a

1) they are playing with the indicator as one
would with a toy

2) they are playing/tormenting it as a cat does with
a mouse after he catches it

3) they are investigating the indicator to
figure out what it is.

What does the group think?

-T

Had to laugh at my self. One of my pet projects is
to find a fly that actually looks like a ovipositing
Baetis Mayfly. This project may be some real over kill
as what must a trout thing a strike indicator mimics?
A piece of gum. Hell all I may need is feathers and
a hook! And, maybe a piece of gum.