As an avid lover and fucker of old and really old women I found the hard and fast rule for finding old ladies to drop their knickers is to take an interest in them, flattery, and suggestive conversation. And one of the best places to find them and do all that is bingo on a weekday afternoon.
If you are between 25 and 40 you are at an advantage because you are probably the youngest there and therefore a point of interest. So once you have selected your candidates be sure to sit at their table. Sooner or later you'll be asked the question all the old lovelies ask: you're too young to be sitting here with us oldies (or something similar).
My spiel is that I look after my gran and over the years have come to prefer the company of older people such as themselves. That should open up their curiosity and you can expand from there. You will find that out of (say) five old biddies one will be more interested in your liking the old. So start a nice friendship and take it from there.
Here is how my lovely sexual relationship with Freda started and continued. I was instantly attracted to her nice friendly face, nice chubby body, and from what I could discern, accommodating big tits.
It was at our third bingo session when she started asking personal questions. The one that gave me the green light to seduce her was when she said, "Tony I don't wish to appear nosey, but apart from liking older people in general is there any other specific interest? You don't have to answer if I have embarrassed you."
I gently started rubbing her hand and looking deeply into her lovely blue eyes I went for it. "Well Freda, I don't mind you asking at all, but I am fearful my answer could end our nice friendship.
"Oh don't be daft, I am a woman of the world and nothing you say is going to get me to stop our friendship which by the way, I value highly."
"Freda, the other reason I prefer the company of old people -- especially very elderly and lovely old ladies like you -- is that I am extremely sexually attracted to them. Have been for at least 10 years. Surely that must shock and upset you?"
"But Tony, I am 83 and you are, what, 35 tops? Don't get me wrong, I am very flattered that this old body can stimulate you. I am right in saying that, aren't I?"
"Freda, to answer that put your hand on my groin."
"Oh, my goodness."
My thick 7-inch hard cock broke her inhibitions and we were on a journey of joint discovery. By joint agreement (unspoken) we both knew that I was going to fuck her in the not-too-distant future but first I wanted to find out her sexual likes and dislikes.