At any time or from time to time upon the request of the Lender, each Credit Party will, at its expense, promptly execute, acknowledge and deliver such further documents and do such other acts and things as the Lender may reasonably request in order to effect fully the purposes of the Transaction Documents. In furtherance and not in limitation of the foregoing, each Credit Party shall take such actions as the Lender may reasonably request from time to time to ensure that the Obligations are guaranteed by all Subsidiaries of the Borrower and secured by substantially all of the assets of the Credit Parties and their Subsidiaries.