Because of a change of plans. I stayed in Tokyo a little longer, so I checked out of my original hotel at Shinjuku and put my luggage in the lockers at Tokyo Station. That evening I booked myself in at a small Ryokan in Asakusa. But, this was the day were I would be doing a short day trip to Kanazawa. I found space in the Monkey lockers as I needed a large locker, it was 800 Yen to use for the day and I used my IC Card to pay. It’s super convenient!