People make exchanges support it, all write to your exchanges if you had LTC at 28th February and ask them to give you what's it's yours: your LCCs.
I doubt that most of the exchanges will support this fork, if any at all. You are best advised if you keep your LTC in a wallet that you control the private key of.
You may never know, look at BCC. Agree with the priv key however, if you re claiming - make sure the address is empty first.