No - it's a style used in many countries ie Turkey, Lebanon, Afghanisatan, Persian/Iranian etc and when not done with a press - it's actually the fingers that cause the indentation.

These look like hand formed and cooked over charcoal.



..... and these look machine formed:



The skewers used are very flat and large when making adana style.



...... or thick and square when making round eg




I bought some years ago off of ebay and it looks like I'm going to have to hunt them out as I stored them somewhere .............!

Appreciate all the ideas ....