10 Common Ring Sling Mistakes (And How to Fix Them)

This is the number one reason tightening becomes a nightmare.

When fabric bunches up inside the rings, or overlaps, it locks in place instead of gliding. You pull, nothing moves, and you assume the sling isn't working. It is. The fabric just needs space to move.

A ring sling should create a deep, supportive seat, where your baby's knees are higher than their bum. This is the M-position. It's the healthy, ergonomic position that pediatricians recommend.

But if you haven't pulled enough fabric under and around their bottom, it becomes impossible to create this position properly. The baby ends up with their knees lower than their bum, which causes most parents to tighten the lower fabric edge more than they should — trying to keep the baby in the sling, but pinching those little knees. Or the lower fabric edge ends up halfway up the baby's thighs. The sling feels uncomfortable in both situations, and the position isn't what it should be.

A ring sling that's too loose doesn't feel like a ring sling — it feels like a hammock. Your baby slumps, slides sideways, and you end up holding them with one hand anyway. That's not what we're going for.

The classic "close enough to kiss" rule is a good guide: your baby should be high enough that you can easily tilt your head down and kiss the top of theirs. If they're lower than that, they're not tight enough.

But here's the part people often miss: it's not just about how tight the fabric feels at the top. You need to tighten all three sections of the fabric through the rings: top rail, middle, and bottom rail. One at a time.

Yes, there's an opposite problem. Some parents — especially in the early days, doing their absolute best — pull and pull until the sling feels rock solid. Then they wonder why their shoulder hurts, why their baby is squirming, or why everything just feels rigid and wrong.

A ring sling should hold your baby firmly, but not press them flat against you. Yes, a ring sling should be tight — but it should not feel suffocating. Both you and your baby should have room to breathe and to be comfortable.

Many people thread their sling, put it on, and leave the fabric bunched into a narrow strip across their shoulder — sometimes pressing hard into their neck. It works… kind of. But a narrow strip concentrates all the weight on one small point. After twenty minutes, your shoulder reminds you about it.

Here's what most people don't realise: fanning the fabric across your shoulder doesn't just make it more comfortable — it also allows you to distribute weight across your back and upper body, which makes carrying so much easier over time. This is also what makes back carries possible later on.

Here is something worth saying plainly: you can always stop and fix it.

Mid-walk, in the supermarket, in the middle of a nap — if something doesn't feel right, you can always adjust. Many parents carry on for too long when something's slightly off, getting more frustrated or uncomfortable by the minute. The few seconds it takes to fix it are always worth it.

A baby who fusses in a ring sling is not a baby who hates the sling. Your baby might simply be adjusting — to a new position, to movement, to the sensation of being close.

The same goes for leg stretching. When a baby straightens their legs and pushes down, it can feel like they're trying to escape. Usually, they're just moving. Babies squirm. That's not a sign that something is wrong.

Where your rings sit makes a bigger difference than most people expect. Too high — right at the shoulder — and the fabric can't tighten properly, and your neck takes the strain. Too low — in the middle of your chest — and the sling pulls awkwardly and your baby hangs too far from your body.

The fabric across your baby's back is doing a lot of work. It supports their spine, holds them upright and in the M-position, and keeps their airway safe. Getting it wrong — too high or too low — undermines all of that.

Too high, and the fabric presses against the back of their head, pushing their chin toward their chest. Too low, and their upper back has no support, causing them to slump. For newborns specifically, too low also means there's not enough support for their neck.

The most important one on this list.

This affects safety.

A baby's airway can be compromised when their chin drops to their chest. This can happen if the sling is too loose, or if they fall asleep and their head tips forward.

Check this when you first put them in. Check it after they fall asleep. Check it when you feel them shift. It only takes five seconds — and it makes all the difference.

One More Thing: Give Yourself Time to Practice

The ring sling isn't complicated. But like anything worth doing, it takes a few tries to feel natural. Most parents feel confident after three to five wears. Some take a little longer. That's completely fine.

Every time you put it on, it gets a little easier. The threading becomes automatic. The tightening feels intuitive. And one day, you'll realise you put your baby in the sling without thinking about it at all.

That's the moment.

Quick Reference: 10 Mistakes at a Glance

Moon Sling is a 100% linen ring sling designed in Amsterdam and handmade in the EU. It works from birth to approximately 3 years, weighs under 350 grams, and fits in any bag.
Questions? We're always here — reach out via Instagram @moon.sling or through our website.