Most airlines have no problem with using inflatable foot rest at bulkhead seats.
People Also Ask
I read on Delta's website that inflatable's were allowed and indeed they were as I used it and no one had a problem with it. You can even use inflatable foot rests.
Qantas isn't the first airline to offer a footrest type device for its economy class passengers. Turkish Airlines and ANA, for example, have had it for years.
Wear Proper Footwear. Wear compression socks or hose and avoid normal socks that cut off at the ankle. Slip-on shoes are also easier to remove to massage your feet.
Try to walk during your flight.Stand up every hour and move your body. Another option if you're the kind of person who prefers to be glued to your seat is to alternate tip toes - heels movement on the floor to activate your calves muscles. This will help to activate blood circulation and stimulate lymphatic drainage.