A package piledriver is almost the same as a basic piledriver .
Instead of grabbing the waist of the opponent , the wrestler puts their arms underneath the opponent 's arms and grabs their legs by the knees .
A package piledriver is almost the same as a basic piledriver , but instead of grabbing the waist of the opponent , the wrestler puts their arms underneath the opponent 's arms and grabs their legs by the knees .