Possible Clues:

• Okay, in a way
• At first it's not outside it at first
• At first in one tail that's twisted at last
• At first it's inside it, but it's all at first
• Within it I always include a shortened version of my name
• Show one's read a letter?
• The first letter is inside it at first
• In India I am it
• Some retain it - I alter opening
• Endorse opening