remove tub drain plug flat side; no screw; no slot. remove tub drain plug flat side: Unlike other drains on YouTube, mine had no set screw underneath and no slot on top to unscrew it. "Poor design" as mentioned by one video-maker. There is, however, a flat side to the shaft. If you can get a pair of needle-nose pliers on that flat side, you can begin unscrewing the shaft, and thus remove the drain plug.
Tags: remove tub drain plug flat side; no screw; no slot, VID, 20111001, 00028