Don’t worry; you’ll be logged out automatically after a short while at the forum.
But it’s easy to assign the post to your account 
Yes, I think too that the Soma is the better choice.
Possibly, if the thread can be reached from the underside with drillbits, an Allen bolt could be used.
I’d love to try that myself but so far I couldn’t find any source in Europe…you’re at the USA, correct?