Side tables

I’ve been here a few times. I sit at the large bar and generally am ignored by the girls.

I noticed the tables on the side. Most have a guy with 2 or 3 of the girls.

Are these tables arranged ahead of time? Or can I sit at one on my own and the girls will join me? Like, is that what these are for, to send a signal you’re ready to spend some money??

I should add I only go on weekday afternoons