Credit card cancellations in Japan come with a receipt for proof.
It's common for employees to follow customers in stores for assistance.
Expect language barriers; not all staff speak English fluently.
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.