Can you think of an example of a product for which the warehouse or the method of transportation is the channel leader? (Think creatively for both online delivery and physical delivery

An example that comes to mind where the method of transportation/warehouse is the channel leader is with logistics services such as UPS or Federal Express. A channel leader is a specific phase during distribution where the channel has more or less the most power and influence over the way business is conducted for the rest of the process. These businesses exemplify some of the best business to customer logistics chains. Their intermediaries are greatly reduced and their distribution channels are what their businesses are predicated upon. Additionally, they are easily accessible via internet with their services coincided with nearly all vendors plus they offer varieties of physical deliveries.