The straight stem version are not as wide as the regular. It looks like they took Radarlock Edge Straight stem (or Asian fits) and added a little piece to the bottom and sides. It probably wouldn't be too difficult for someone to 3D print one.
A loaded up Kitchen sink will fit under the seat of a plane, however you must put it so that the top (where the sunglass holder is) is towards the front. This makes it difficult to use any of the pockets because they are facing away from you. Try it and you'll see what I'm saying.
As stated by 'branfootball' The Radarlock XL will fit in the Radarlock and vice versa but you need the appropriate nose stem piece. The XL has a longer stem and because the lens is held in place by the nose piece, you need to change it over. Coincidentally the story is the same with the...
Somewhat realistic are the TVR Speed 6. 400hp and 2400lbs Not extremely expensive, we just can't get them in the US Or the S65 AMG Luxurious, understated and fast. 604hp, 738lb-ft of torque 0-60mph in 4.2 seconds