First tried ring dips and those were an abysmal failure all together. Then held a 20lbs DB between my legs and they were pretty difficult.

Code:
Fri 7/20/12
  BW: 160.5 lbs
  DL:
    45x5
    95x5
    135x3
    175 for 8, 8, 8, 8
  Dips:
    20x6, 6, 6, 5
  1-arm DB Rows:
    40x8, 8, 8, 8