Pin hooks look like the fiddly part of hanging curtains. They are actually the part that decides the finished height, and getting them right the first time saves taking everything down again.
What a pin hook is doing
One prong pushes up into the back of the pleat or the header tape, and the hook end drops into a ring or a rod bracket. The distance between the top of the panel and the hook is what sets how far the fabric sits above or below the rod.
Set the drop before you set the pin
Decide where the top edge of the fabric should land, then set the hook that distance below it. Insert the pin about half an inch to an inch down for a header that stands above the rings, lower if you want the rod hidden. Suppliers such as https://sopito.us.com/ sell pins by the dozen because one pair of panels can use twenty.
Spacing across the panel
Place a pin at each pleat, plus one about an inch in from each outside edge so the leading edge hangs straight. On a flat header without pleats, four inches apart is a sane default; wider spacing gives a scalloped, less formal fall.
Push the prong into the right layer
The prong must catch the interlining or header tape, not pass through to the face fabric. A pin that goes all the way through will show as a dimple, and a pin that catches only lining will pull out under weight.
Measuring the whole job
- Mount the rod four to six inches above the window frame to make the window look taller.
- Extend the rod eight to ten inches past the frame on each side so open panels clear the glass.
- Use two to two and a half times the rod width in total fabric for real fullness.
- Hang one panel first, live with it a day, then pin the second to match.
- Aim for the hem to break just above the floor, or puddle deliberately by an inch or two.
Test with two pins first
Pin only the two end hooks, hang the panel, and look at the height from across the room. Moving two pins is a minute of work. Moving twenty-two is an evening.
The pins are sharp, and they are metal
These are steel points sitting at eye level for a small child pulling on fabric. Check that every prong is fully seated in the header, and count them when you take a panel down.
Never wash a panel with the pins in
They snag the fabric, they bend, and loose metal is bad for a washing machine drum and worse for a dryer. Pull them out into a labeled bag before the curtains go anywhere near water.
Weight is the other failure point
Lined and blackout panels are heavy. Pins hold fine, but the rod brackets and the anchors in the wall are what actually fail, so anchor into studs or use hardware rated for the real load.
Store them with the curtains
Tape the bag of pins to the inside of the storage box with the panels. Finding twenty-four matching hooks a year later is not a task anyone enjoys.