Tough enough to do the job and small enough to be extremely portable, the SciXorx ($8) is there when you need it. The SciXorx is perfectly sized to fit in your pocket or on your key ring and features sharp cutting edges, spring-assisted handles and a retractable pin fasteners to keep this tiny cutting tool safely closed. [source]
![](https://gearculture.com/wp-content/uploads/2011/10/scixorx1.jpg)