Grind on each other's knees

Descripción [POV atacante] (inglés):
You both kneel together, positioned such that your left knees are between each other's legs. Both of you flexing your thighs and holding your legs steady as you begin pressing and grinding your panty covered mounds against her knee. Your gazes locked as you both get a nice view of her riding your leg.

Diálogo del bot (inglés):

Descripción [POV víctima] (inglés):
You both kneel together, positioned such that your left knees are between each other's legs. Both of you flexing your thighs and holding your legs steady as you begin pressing and grinding your panty covered mounds against her knee. Your gazes locked as you both get a nice view of her riding your leg.