Dr. Slick Co. Extra Hand Fly Tweezers Fly Tying Tool - Super versatile bull dog, self-closing design. Can be used for a myriad of tasks on the tying bench, but really excels on your vest or in a fly box. Can be kept on a retractor and use it to select #20 flies from my midge box and then let it hang. No need to transfer fly to patch. Extra Hand says it all. Self Closing Available in Curved Jaw Only