Best soldering tip FYI

i use something like this.

https://www.machinemart.co.uk/p/clarke-3-inch-vice-cdv30c/?da=1&TC=GS-040314019&gclid=COWAhveMgdACFdTNGwodrDEEsg

That has parallel jaws though, mine has a 2mm lip for sheet metal which is ideal for solderig PCBs.

Very solid so only twitch is the soldering iron.

Better pic, but mine is better. 2 quid from a boot sale