Pinch pleat style is named for your pleated glance produced by pinched gatherings of the fabric at the top from the drapery. Pins on the back on the drapery are just looped with the carriers to the track when installed. Seek the advice of using a Lutron household specification specialist https://lutronshadesfortpierce02334.blogchaat.com/31147578/the-basic-principles-of-fl