What type of comb is this?

[Feathered_Texans]

My Wyandotte names bugsy has a comb that I have never seen before. What would you call it? I’m sure it’s pretty obvious to some of you more knowledgeable people. It’s like a little ball sticking out.

 

[A_Fowl_Guy]

I don’t have any idea but I wanted to chime in that you should call her ping pong

 

[Frazzemrat1]

Its a rose comb