I have designed a airplane restraint system fow larger/giant scale aircraft. After I was injured by my 30% yak I serched the internet for a QUALLITY restraint and fount none to my liking. The unit I made drops down over the tail of the aircraft and is lifted up and folded back when ready to roll out leaving nothing in front of you! It is very safe for both you and your plane. see my photo gallery to get a better idea how it works. I can custom make it to fit any plane i'll I need to know is the distance from the front of the tail stabilizer to approx 1 1/2 inches past the rudder. these are patten-pending, built very well...please contact me at 559-625-4193 ask for Brian anytime...I welcome any feeback or sugestions you may offer