For those of you having trouble with the banana being too small or not strong enough, I have a solution. I ran into the same problem when I first tried this technique years ago. I'm like "brocko," way too big for any normal banana. Bananas pretty much max out at a certain circumference and only grow longer. Bananas from the Canary Islands are a little fatter but really short, so that's also not an option. What you're looking for is a Plantain. For those of you not familiar with this fruit, it looks like a giant green banana; you could also call it a banana on steroids. The skin, aka the peel, is many times thicker and stronger than that of a banana. It may look like a big banana but don't try to eat the thing raw! This fruit needs to be cooked in some fashion before you eat it. (They are delicious when fried in a pan with sugar and cinnamon, similar to Bananas Foster)
To use as a handheld pussy, heat it in a microwave for 10-15 secs and then cut the top end off and spoon out the insides. If it's still too tough, put it back in the micro for 15 second bursts until it's soft enough. You don't want to overheat it because it will break down the strength of the skin. Now even though they are tough, in my experience they still won't hold up to a prolonged thrusting session. So what I do, after I take it out of the microwave, is to wrap it with duct tape or a few layers of cellophane wrap before I spoon out the insides. There's no need to lube up your cock because the flesh of the fruit that's left on the inside of the skin will be soft, warm, and slippery, and will provide it's own lubrication just like an excited pussy. I really like to leave my cock unlubed or with only precum oozing from the end and slowly work it in. Fucking the plantain this way is pretty damn close to the same sensation of pressing a dry cock against a pussy until your cock and the pussy start to lubricate just enough for the head of your cock to start popping in and out. I don't know about you all, but I love to fuck a pussy that has "just enough" natural lubrication for me to slide in and out without causing any pain for my partner. It's so much tighter that way!
The wrapping of tape or cellophane will help to reinforce the "makeshift" vagina but most of the time, after I've fucked it for a while, I end up splitting it anyways. However, the wrapping will keep it all together long enough for you to empty your balls into it. I've had some awesome orgasms while fucking plantains, so give them a try and then post your experience so we can all stroke our cocks and clits while we read about it!