Great idea!  It would be fun talking to the customers also. 

 "No worries ma'am! I will have your diesel powered Clitty Bruiser 3000 up and running by tonight!" 

 As long as they don’t ask you to test it! 

 They could test it on themselves in the shop.  I might have to watch it in action to make sure it is vibrating optimally.  🤷🏻‍♂️ 

 😂 

 Where are his latex gloves?!? He'll get the germ for sure with this reckless buffoonery!! 

 😂