Observed a few days ago on the Sakaisuji Line in Osaka- while looking out the front of a Hankyu 5300 series (used on run-through services), I noticed the driver was using an unusual driving technique, namely, braking in the usual manner to full stop, but upon stopping, leaving the brakes off, and upon starting, engaging the throttle/regulator without touching the brake handle. The 5300 series has the standard old style arrangement of regulator on the left, brake handle on the right. Normally, a driver always has his/her hand on the brake handle, and leaves the brakes engaged when stopped at a station. Upon starting, the brakes are released (handle fully to the left), and regulator applied. Anyway, never saw this before.