prosthetic after the shooting to kick the door down. he's also going to be demonstrations wielding the cricket bats. to show his height and his ability when he's on his legs. theyal include practical demonstrations. >> practical demonstrations but they're so emotional because he's basically reliving that night, including reeva steenkamp's parents. >> reporter: well, it's not her parents. it's her mother. sitting next to the family lawyer. it's got to be absolutely gruesome for her to be sitting through this. in fact, she must be a very strong woman because oftentimes, family members can't sit through this testimony. the emotional nature of the testimony in a sense is likely to have less impact on the outcome of this trial because we don't have a jury in this trial. because it's a judge-led system. it's been focused on the events.