Onion for Moslem's Cap

Songkok (indonesian) means: moslem's cap/ skull cap is very popular in Indonesia. Songkok had already become one of the complementary national dress. Moslems also used this cap for praying in the mosque. There are many home-industries that specialize in making the cap. Mostly are hand made. Here seen one of the cap product labels with pictures of onion/garlic. 

songkok exclusive: exclusive moslem's cap 
bawang putih: garlic



Why onion? What's exclusive? What's super? Don't ask me!