Hi, I have a pinhead bolt securing my bike front wheel to the axle. I'm trying to remove it to replace the rotor, I have the pinhead key but when I turn the bolt the other end which is round is turning with it. To remove the bolt I need to stop that round end from moving. I tried using my hand, with a cloth, and pliers but nothing is getting a strong enough grip.

The round end of the bolt is where I can't stop rotating as I turn the bolt from the other end using my pinhead key