Before revision: A typical helping hand A helping hand, also known as a third hand or X-tra Hands, is a type of extremely adjustable jig used in soldering and craftwork to hold materials near each other so that the user can work on them.
After revision: , soldering hand,A typical helping hand A helping hand, also known as a third hand or X-tra Hands, is a type of extremely adjustable jig used in soldering and craftwork to hold materials near each other so that the user can work on them.