Hi Hdpearson,
I know they can be made,but at these prices i wouldnt even try making one,dont think i could make one as im not skillful at these kind of things,but i respect them that can make their own and enjoy doing it.
Wolfy

 

he probaly has refined it and i understand he makes it good and if there is a problem he does address it immed, so if your inclined to do such a thing i would recommend him he seems to have the ability to put cool ideas into real usable hardware, so cong, to him for selling all over the world, he seems to invented a better mousetrap