What Linus said - I use pliers myself, but that's because I replace them with bolts, but pliers can permanently flatten the barbs if you're not careful, making them unusable.
And whatever genius at Gigabyte thought sticking a chunk of copper right behind the CPU socket on a performance board was a good idea...
__________________ i7 2600K | ASUS Maximus IV GENE-Z | GTX Titan | Corsair DDR3-2133 |