How to get OMNI USDT?

Inquiring minds may want to know, how does one acquire OMNI USDT? Could you elaborate on the various methods and steps involved in procuring this cryptocurrency? I understand that it's a tokenized representation of USDT on the Omni Layer protocol, but what specific actions need to be taken to acquire it? Is it possible to purchase it directly from exchanges? Or must it be mined through a particular process? Furthermore, what are the risks and considerations one should be aware of before engaging in such a transaction? Your insights would be greatly appreciated.