I once had a 40’ extension ladder on the 914. No pic of that one. This one was 16 -20’ or so.
Click to view attachmentAs long as it’s light weight - just use canoe carrier foam pads and make sure weight is supported mostly by the targa bar.
In the case of the Miata, I had welded a T-bar type thing that fit into a homebrew trailer hitch sort of thing to keep the weight off the convertible top. Only 7 miles of gravel roads to the lake at 35mph or so. Definitely not recommended for highway use:
Not recommended for show cars