lay the swaddle in a diamond shape and fold the top corner down to from a triangle. Ensure that your baby’s shoulders are stillbelow the fold.
Ensure their arm is securely under the fabric. Tuck the edge of the swaddle under their body to ensure a secure swaddle. Fold the bottom of the swaddle up and over your baby’s feet. Tuck the excess fabric underneath your baby to secure the swaddle.

Source: Cordlife India