Of course this is the most simple of marketing concepts around…
But I’ve seen a local club get good attendance and net new member/athlete results from this (have done this 3 times since last August).
Checking to see if other club reps in this forum have seen positive results from this as well.
This is how my oldest daughter and a couple of her friends started. SOCAL water polo back then, had a 'try waterpolo free for one month" special. Out of the three of them, two stayed with it and went on to play in college. The two that stayed, even received free water polo balls once they joined the paying ranks