How Do You Make A Capital Backwards B?

ᗺ - Its Unicode name is Canadian syllabics carrier kha.

If you want to type this in Windows programs like Word, use the ALT code method:

ALT 5626

or

15FA ALT X

If you are not familiar with using ALT codes, read about it here: https://altcodeunicode.com/how-to-use-alt-codes/

There's a alt code (I don't know it but google alt codes :)   hope I helped