Shrugs with a camber bar for high reps...
135 frontx50 reps
135 reversex50
185x50 front
185x50 reverse
225x50 front
225x50 reverse
Tripled mine in size in a few months with this technique I came up with...I have every single person I know on this routine and swears by it...Most of them laugh at first, but not one person can finish the entire routine the first time they try it...and yes, use straps.