This is a pretty precise trick, so I wouldn't recommend spending too much time on it, very little harm in going for it though, so if you're in the right position, go for it if you want.
It's kind of similiar to slide skip, but more precision is required, how I'd recommend going about it is drawing 180 degrees of a circle, and smashing down on the completion of the 180, make sure mouse goes directly down, there can't be too much of an angle to the down input.
Edit: Found another way similiar to anvil to do the hat pogo, but in the normal spot, it's a little harder than the anvil since the overhang can screw you over: https://streamable.com/wtamy
This is a follow up to the previous news post, see
It has now been decided by the mod team that mobile runs should not be allowed on the individual level leaderboard due to their inaccuracy in timing. All mobile runs will be removed and no more will be ac