If you’re buying safety pins, look for skirt pins, which are larger and sturdier than standard safety pins.

It’s important to hold onto the safety pin so you don’t lose it inside the casing.

Make the knots larger than the eyelets so the drawstring doesn’t slip back in the casing.

You can buy bodkins from craft supply or hobby stores.

Since the straw is larger than the safety pin, it’s easier to feel it through the heavier fabric. It also won’t snag on the seam allowance. To remove the staple, pull it away with a staple remover. Keep in mind that this may damage delicate fabrics, but sturdy drawstring cords will be fine.

If your drawstring keeps slipping off of the hook, bend the wire over the drawstring to keep it in place. Feel free to bend the wire as you feed it through the casing, especially if you’re inserting the drawstring through the rounded part of a hoodie.

Ensure that you’re using a pen with a pocket clip so you don’t accidentally push an exposed tip through your fabric.