peak on biceps excersises required

I have decent arms. Their 18inches for frame im pretty happy with the size. Only thing I lack is that ball look when I tense my arm. My biceps are pretty long. I ned more peak.



I know it's genetics but what excersises workmoee towards this?

via World Class Bodybuilding Forum http://www.worldclassbodybuilding.com/forums/f209/peak-on-biceps-excersises-required-136279/