To find the shop, walk into what feels like a parking garage, then take the first door on the left and go down the stairs.
Bring cash when visiting Jimmy, as he may not accept cards.
Call ahead to let him know you're coming if you want to wait while he works.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.