Swaddle transition for 4 month old?

Ma

Hi Mamas!

My little guy has been swaddled with swaddle blankets since he was a newborn, and we’re looking for a swaddle transition. It’s going to be a tough transition because he sleeps so well with his arms confined to his sides.

What did you all use? Looking for advice especially from mamas whose babies liked to be tightly swaddled in blankets.

Thank you!