not tethered by a cable and controlled by computers, no, thanks,(reply>), @Luiz that is true. The more the complex parts, more likely it is to mess up,(reply>), @Somaan Abbasi If it was a proper mechanical connection, sure, I would trust it the same.<br>But its the magnets I don't trust and the overall complexity.,(reply>), I understand the part about computers? But why the cable? You would trust a cable more than being stuck to the wall with a metal platform?