In Defense of the Knee Defender

(CNN) — You've been up since 3 a.m.. After dealing with long check-in lines, long security lines and long faces from flight attendants even unhappier to be on that plane than you, your 6 a.m. flight finally lifts off. "I'm just going to recline my

NEW YORK (CNNMoney) — A passenger scuffle at 35,000 feet is keeping a Washington, D.C., entrepreneur busy. Ira Goldman, the inventor of a pair of clips called “Knee Defender,” says the website that sells the product has been overwhelmed since reports 

More airlines are banning passengers from using a gadget that recently sparked an in-flight disturbance. Hawaiian Airlines says it does not allow passengers to use the device known as the 'Knee Defender.' It attaches on a passenger's tray table and

The Associated Press reported that the man was using the Knee Defender, a plastic device that clips onto the tray table and prevents the seat ahead from reclining back. The argument became so heated that the woman threw a cup of water at the man, 

The spat began on United Airlines flight 1462 because one passenger was using the Knee Defender, a $21.95 lock that attaches to a tray table and jams the reclining mechanism of the seat in front. The male passenger