One of my client recently asked me to make a shirt.
He asked me to add this detail on the bottom of shirt.
The following is the sample I have:


And this is another RTW shirt:

It's not a big deal to make a shape of it, but I wonder what is the exact function of it.
Does this extension have right name?
Is there an historical reference about it?
I will be happy to listen and study.
Thanks and Sorry for my poor English.











