The double hammock rebozo Carry is so fast and simple! I love it, it takes a bit of “comfort” in being able to make a good seat for your baby while they are on your back, but it is fairly straightforward and simple to do. There are no in between the leg passes, so it really requires you knowing how tight is that sweet spot between too tight (cutting off circulation) and not tight enough (baby slipping through, leaning, or hurting your neck/back)
It is one carry that requires a more precise wrap job, and can be easily executed with a size two in either a knot finish or appropriate sized ring finish.
Instructions can be found here