I'm pretty sure that on my boat, the webbing loops at the top and bottom of the sail are screwed directly to the tube without any kind of metal strap at all.  I haven't had any problems, but I think Chris's approach is probably stronger.

--Peter

> On 2023-03-17, at 20:03:49 EDT, Chris Geankoplis wrote:
>
> Hey John,
>                 About 5 years I had to do an emergency repair with the boat in 
> Mexico. I used a couple of ss hose clamps and drilled a small hole in each clamp 
> as extra security. That was about 5,000 sailing miles ago and no problem. 
> Chris Geankoplis
> ENOSIS
> 
>