cr0ft
Living Legend
drill a hole where the screw has marked the metal. From then on you simply screw the knob in until it's through the hole.
That's a great idea. Should make the whole stand more proof to "twisting" forces if those happen.
May try the bungee thing too! Or maybe another type of strap entirely, hmm.
And no, had no plans to sit on it.
One of these days I must make some Metal castors too
Overkill: http://www.hamiltoncaster.com/Wheels/Metal_Wheels/Forged_Steel_Wheels