it will not open the Unit for business without Pretzel Time's prior approval and training. 8.C. EQUIPMENT, FIXTURES, FURNISHINGS, AND SIGNS. Franchisee agrees to use in developing and operating the Unit only such fixtures, furnishings, equipment, and signs that Pretzel Time requires and has approved for Pretzel Time Units as meeting its specifications and standards for quality, design, appearance, function and performance. Franchisee further agrees to place or display at the Unit only such signs, emblems, lettering, logos and display materials that Pretzel Time approves in writing from time to time; provided, however, that Pretzel Time shall have the right, in its sole discretion, to install all required signs at the Unit at Franchisee's sole expense. Franchisee shall purchase or lease approved brands, types or models of fixtures, furnishings, equipment and signs only from suppliers designated or approved by Pretzel Time (which may include Pretzel Time and/or its Affiliates). Franchisee further agrees that all fixtures, furnishings and equipment used in connection with the operation of the Unit shall be free and clear of all liens, claims and encumbrances whatsoever, except with respect to any such liens, claims or encumbrances asserted by Pretzel Time or third party purchase money security interests. 8.D. EXCEPTIONS TO EQUIPMENT OR FURNISHINGS. If Franchisee proposes to purchase any brand or type of construction or decorating material, fixture, equipment, furniture or sign not then approved by Pretzel Time, or any such item from a supplier which is not then approved by Pretzel Time, Franchisee shall first notify Pretzel Time, in writing, and shall submit to Pretzel Time, upon its request, sufficient specifications, photographs, drawings and other information or samples for a determination by Pretzel Time of whether such brand or type of construction or decorating material, fixture, equipment, furniture or sign complies with its specifications and standards