a accessory mounting mechanism for securing an accessory to the frame of a vehicle as herein disclosed . the accessory mounting mechanism generally comprises an upper grommet into which is inserted an end of the accessory , a lower grommet to which the upper grommet is secured , and a cap which covers both the upper and lower grommets . the lower grommet is provided with a retaining structure that engages a bore formed through the frame of the vehicle , so as to secure the accessory mounting mechanism thereto . the structure of the accessory mounting mechanism enables a simplified methodology for installing an accessory within a vehicle that involves the steps of pre - assembling the accessory mounting mechanism and then addressing the retaining structure of the accessory mounting mechanism to a bore formed through the frame of the vehicle so as to secure the accessory thereto .