When it comes to beefing up your toolbox, it isn’t going to be cheap. There are so many different tools with different specifications out there, and chances are, that you are probably going to need every single type of specification at least once.
This guy had the right idea and quite literally created his own adjustable wrench. We don’t know how this guy even thought of the engineering behind this thing, but it is extremely cool. He should really try and manufacture these and then sell them in stores because this is awesome.