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Buckle-Bu (Full Buckle Onbuhimo) Tutorials

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What is a Buckle-Bu?

Also referred to as: Full Buckle Onbuhimo


SewToot BuckleBu

Image sourced from Etsy shopSewToot


A rectangular body panel with padded backpack-like straps and webbing attaching each top corner to the bottom corner on the same side. A chest clip attaches the two shoulder straps together.

Good For
  • Front Carries: Not designed for front carries. Possible with babies with decent trunk control, especially if the carrier allows the straps to cross in the back.
  • Hip Carries: Not designed for hip carries.
  • Back Carries: Babies who can sit independently only. Especially great for walkers.
  • Forward Facing: Not designed for forward facing.

Quick to put on and an unpoppable seat makes it easier to wear wiggly or difficult toddlers who may not have the patience for wrapping. Lack of waist belt is great for anybody who doesn't want the pressure on their waist, including (but not limited to) expectant mothers. Lack of waist belt and tie offs makes them great for tandem-wearing, since there is nothing to interfere with the front baby.


More limited than other carriers, since onbus are really best for older, independently sitting babies and only designed for back carries. Panel size is dependent on child's size. Therefore a parent who chooses to wear as their baby reaches toddlerhood or preschooler age may need to upgrade to a toddler-size or preschool-size carrier. Puts all the weight high and on the shoulders, which can be difficult for some wearers.

  • Ladder lock straps: Instead of buckling closed, a buckle-bu with ladder lock closure is permanently "closed" and simply tightens or loosens with ladder locks like a back pack.

Body panel size is based on child's size. Baby needs to be able to fit in the carrier arms-out, but the panel must not be so low that baby can lean backwards. The width should be wide enough to support baby's legs from knee-pit to knee-pit, while still allowing the legs to swing freely at the knee. The shoulder strap lengths are flexible, but determined by wearer's size.

How to Use


SewToot Barefoot BuckleBu (paid)

Sewtoot's patterns are paid, but upon purchasing, you are added to a support group on Facebook to assist you with any questions you may have as you are sewing.

Wonbu (paid)

NicoThunders (free tutorial)

-- Alyssa Leonard - 2016-07-16

Return to Main - TICKS Rules for Safe Babywearing

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Topic revision: r5 - 2016-12-07 - AlyssaLeonard
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