This prism-coated stiletto tool has a sharp, pointed tip to use as a guide under the presser foot of your sewing machine. It's great for flattening puckers as fabric feeds into your machine, compressing bulk at the beginning of a seam, and keeping seam allowances pressed open beneath your work. The pointed end screws off and can be flipped around inside the handle for safety. 

Note: This tool is particularly recommended for sewing the circular base to the !