I am quite tall and therefor have long thighs. This is not considered in modern aircrafts. It is usually to little room for my thighs and that affect my knees.
My idea is to create a pillow that elevates you a little, therefor get more legroom.
Neck pillow deluxe
Energybooster food container
Nylig sette idéer
Seat cushion for better leg room during airtravel