the jackhammer massacre ( a. k. a. jackhammer 2004 ) c 89 min . d represent joe castro . aaron gaffey and kyle yaskin and bart burson and nadia angelini and evan owen and rob rotten and rachel rotten and desi obrian . a direct to dvd revenge or slasher movie detail a successful businessman fall into insanity and grow love for his jackhammer and thanks to drug . the first slasher movie in memory to blame it killer antic on drug . for a while and it even work too ( with some nasty and gory special effect ) . it nice to see a direct to dvd slasher gorefest . unfortunately and the film horrendous acting ( bad than anything the 80 slasher film have to offer and which be really sad ) and laughable last 20 minute lead to it downfall . there be no excuse for the filmmaker to have be satisfy with the amount of bad act in this movie ( though the lead and aaron gaffey and isn not half bad ) . rating represent negative . rat r for graphic violence and gore and grisly image and drug use and sexuality and adult theme and and profanity .