Hi, I will place an order on MBS and plan to buy an awl. Can you help me which one to choose ? Here is the link : http://www.mybadmintonstore.com/shop/product_info.php?cPath=25_62_156&products_id=1382 I would like to know the use of each one, pros and cons, and everything you know about it. Thank you in advance Koo&Tan