Many babyfurs will wear diapers in real life for a feeling of security and comfort, but will not use them for their intended purpose.
At the other end of the spectrum, there are some babyfurs that, either by choice or by necessity, wear and use diapers all the time.
From the Adult Baby (AB) angle of AB/DL, regressing individuals prefer to behave and be treated as much like a baby or toddler as possible.
For others, it is a way they can regress into their furry persona's age.
Many babyfurs use these objects in online roleplay and would love to be able to use them in the real world.
As well as physical objects, some babyfurs find a keen interest in actions like blowing a raspberry, being held, or watching old television shows that are no longer available on TV.
Many old children's shows such as 80's and early 90's cartoons on Nickelodeon were the same shows some babyfurs watched when they were little, and reminiscing about them leaves a nostalgic warmth.
Diapers are an item frequently used while "cubbing out".