>> you don't want to run into someone with a helmet on. >> not a helmet with razors. >> finally after more than a dozen takes they get it right. >> which is what the helmet is doing now. >> just two days later james and michael upload the shave helmet to the masses. soon the video has more than a million views. one of the reasons this went viral is the fear factor. >> any last words, kenny? >> i don't know. pray for me. >> the truth is, sometimes we like to see bad things happen on the internet. it's the truth. sometimes we enjoy seeing other people have things go wrong. coming up -- one of the hottest videos online. >> honestly, i thought we were going to get some severed fingers. that's 7,000 degrees. lava is 2,000 degrees. >> and if that's not impressive enough -- >> no. >> i can't believe i'm catching