Definitions for "Plackets"
Keywords:  slits, solly, henley, petticoat, allan
petticoat pockets, separate from the garment, or the slits in skirts made so that they could be reached
(Slits in apparel forming a closure). A small boxed area at the bottom of where the buttons are.
There are three types Set-on A separate piece of fabric, making the placket, is sewn onto the shirt. Allan Solly A set on placket, but it is sewn to the inside of the garment. The face of the placket is made of the front of the shirt. Henley No separate piece of fabric is attached, the fabric of the shirt itself is folded back and tacked at the bottom.