have a fun:guess what it is ?

[yolanda2033]

I just found the interesting thing.I bet you can hardly guess what it is used for .
here is the pic

Premium Image Content

Upgrade to Premium to view all images in this thread

Upgrade to Premium

can you guess what it is used for ? please put your answer here .let me see your idea.
if you get it right ,I will give you some surprise!!