Sex without working your hands? Impossible? Of course, it can also be very, very exciting. You do not believe? Check! Use all opportunities. One of such caresses is oral sex, but not only. Caressing with feet, tongue, blowing, biting - try it, it will be wonderful.
Sex without hands: tongue caressing
Sit facing each other. Each of you may only wear one piece of clothing, preferably something covering your intimate organs. These don't have to be panties, but e.g. a scarf tied around the hips, a wide belt, a bag for his ancestral jewels. And even a lettuce leaf or a case for… glasses. It depends on your fantasy.
First, set your tongues in motion. Not at the same time, of course. Run the tip of your tongue over your partner's most sensitive areas, keeping your hands clasped behind your back. And don't change your position, still sitting. You might not get any lower than the collarbones, but that doesn't matter. The temperature will rise anyway.
Now it's her turn. He moves away from him so that his teeth and lips can remove what is covering the genitals. Hands behind your back all the time. And when she does, make her nose make a few circles on his lower abdomen. Probably already at this point, his toned manhood may disturb her, but do not be discouraged by it and keep doing its job.
Sex without hands: foreplay
Then she pulls back a little more and slowly, very slowly, she widens her legs as much as possible, and then brings them back together again, just as slowly. And so several times. He should have (and certainly has) his eyes fixed on her, still obscured, vagina.
And now it's his turn. Now he is trying to use his teeth to pull down her panties, a blindfold, etc. Note, when this maneuver is too difficult, you can ask for help from a partner who may use his own hand, but only one.
Sex without hands: in a hot embrace
Once they're both naked, they move as close as possible, wrapping their legs around each other. For balance, they can support themselves with their hands on the back. And so far they aren't doing anything more, they just keep going. After a few minutes, they may start kissing. These are supposed to be gentle kisses, like the flapping of butterfly wings.
Then one of the partners leans back even more, unraveling his legs and laying on his back, witharms freely along the body. The other one leans over him, sweeping his breath around sensitive places (i.e. erogenous points). And then the change, because the second one cannot be harmed. This massage with hot air from the mouth is very sensual. So much so that the temperature can reach a peak. And my hands may not stand it. But none of that, that's what this game is all about - hands off. And how you play out this climax is up to you. It may turn out that you don't need your hands for an orgasm.