A Transferable Letter of Credit enables the exporter or beneficiary (you) to give instructions to the paying bank (us) to make some or all of the credit available to a third party. It is primarily used by brokers and middlemen, rather than the ultimate suppliers.
A Transferable Letter of Credit is simpler and more reliable than Back-to-Back Letter of Credit arrangements.
The following diagrams and descriptions outline the issuance and transfer of a letter of credit, assuming that you are the middleman.